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Finding the Fourth Proportional to 1,707.40, 2,560.46 and 733

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Solution

The fourth proportional to 1,707.40, 2,560.46 and 733 is: 1,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.40 : 2,560.46 = 733 : x
  2. Step 2: Convert to fraction form
    1,707.40/2,560.46 = 733/x
  3. Step 3: Cross multiply
    1,707.40x = 2,560.46 × 733
  4. Step 4: Simplify right side
    1,707.40x = 1,876,817.18
  5. Step 5: Solve for x
    x = 1,876,817.18/1,707.40
  6. Step 6: Final answer
    x = 1,099.23

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.