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Finding the Fourth Proportional to 1,749.00, 2,623.96 and 774.88

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Solution

The fourth proportional to 1,749.00, 2,623.96 and 774.88 is: 1,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.00 : 2,623.96 = 774.88 : x
  2. Step 2: Convert to fraction form
    1,749.00/2,623.96 = 774.88/x
  3. Step 3: Cross multiply
    1,749.00x = 2,623.96 × 774.88
  4. Step 4: Simplify right side
    1,749.00x = 2,033,248.53
  5. Step 5: Solve for x
    x = 2,033,248.53/1,749.00
  6. Step 6: Final answer
    x = 1,162.52

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.