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Finding the Fourth Proportional to 1,749, 2,623.23 and 579.51

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Solution

The fourth proportional to 1,749, 2,623.23 and 579.51 is: 869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749 : 2,623.23 = 579.51 : x
  2. Step 2: Convert to fraction form
    1,749/2,623.23 = 579.51/x
  3. Step 3: Cross multiply
    1,749x = 2,623.23 × 579.51
  4. Step 4: Simplify right side
    1,749x = 1,520,188.02
  5. Step 5: Solve for x
    x = 1,520,188.02/1,749
  6. Step 6: Final answer
    x = 869.18

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.