Home / 1,371.60-2,052.90-1,045.14

Finding the Fourth Proportional to 1,371.60, 2,052.90 and 1,045.14

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Solution

The fourth proportional to 1,371.60, 2,052.90 and 1,045.14 is: 1,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.60 : 2,052.90 = 1,045.14 : x
  2. Step 2: Convert to fraction form
    1,371.60/2,052.90 = 1,045.14/x
  3. Step 3: Cross multiply
    1,371.60x = 2,052.90 × 1,045.14
  4. Step 4: Simplify right side
    1,371.60x = 2,145,567.91
  5. Step 5: Solve for x
    x = 2,145,567.91/1,371.60
  6. Step 6: Final answer
    x = 1,564.28

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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.