Home / 1,531.49-2,298.57-801.58

Finding the Fourth Proportional to 1,531.49, 2,298.57 and 801.58

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Solution

The fourth proportional to 1,531.49, 2,298.57 and 801.58 is: 1,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.49 : 2,298.57 = 801.58 : x
  2. Step 2: Convert to fraction form
    1,531.49/2,298.57 = 801.58/x
  3. Step 3: Cross multiply
    1,531.49x = 2,298.57 × 801.58
  4. Step 4: Simplify right side
    1,531.49x = 1,842,487.74
  5. Step 5: Solve for x
    x = 1,842,487.74/1,531.49
  6. Step 6: Final answer
    x = 1,203.07

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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.