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Finding the Fourth Proportional to 1,593.03, 2,390.10 and 715.44

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Solution

The fourth proportional to 1,593.03, 2,390.10 and 715.44 is: 1,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.03 : 2,390.10 = 715.44 : x
  2. Step 2: Convert to fraction form
    1,593.03/2,390.10 = 715.44/x
  3. Step 3: Cross multiply
    1,593.03x = 2,390.10 × 715.44
  4. Step 4: Simplify right side
    1,593.03x = 1,709,973.14
  5. Step 5: Solve for x
    x = 1,709,973.14/1,593.03
  6. Step 6: Final answer
    x = 1,073.41

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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.