Home / 1,371.27-2,051.25-1,254.85

Finding the Fourth Proportional to 1,371.27, 2,051.25 and 1,254.85

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Solution

The fourth proportional to 1,371.27, 2,051.25 and 1,254.85 is: 1,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.27 : 2,051.25 = 1,254.85 : x
  2. Step 2: Convert to fraction form
    1,371.27/2,051.25 = 1,254.85/x
  3. Step 3: Cross multiply
    1,371.27x = 2,051.25 × 1,254.85
  4. Step 4: Simplify right side
    1,371.27x = 2,574,011.06
  5. Step 5: Solve for x
    x = 2,574,011.06/1,371.27
  6. Step 6: Final answer
    x = 1,877.10

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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.