Home / 1,487.26-2,052.34-824.06

Finding the Fourth Proportional to 1,487.26, 2,052.34 and 824.06

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Solution

The fourth proportional to 1,487.26, 2,052.34 and 824.06 is: 1,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.26 : 2,052.34 = 824.06 : x
  2. Step 2: Convert to fraction form
    1,487.26/2,052.34 = 824.06/x
  3. Step 3: Cross multiply
    1,487.26x = 2,052.34 × 824.06
  4. Step 4: Simplify right side
    1,487.26x = 1,691,251.30
  5. Step 5: Solve for x
    x = 1,691,251.30/1,487.26
  6. Step 6: Final answer
    x = 1,137.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.