Home / 1,356.08-1,874.36-1,197.52

Finding the Fourth Proportional to 1,356.08, 1,874.36 and 1,197.52

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Solution

The fourth proportional to 1,356.08, 1,874.36 and 1,197.52 is: 1,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.08 : 1,874.36 = 1,197.52 : x
  2. Step 2: Convert to fraction form
    1,356.08/1,874.36 = 1,197.52/x
  3. Step 3: Cross multiply
    1,356.08x = 1,874.36 × 1,197.52
  4. Step 4: Simplify right side
    1,356.08x = 2,244,583.59
  5. Step 5: Solve for x
    x = 2,244,583.59/1,356.08
  6. Step 6: Final answer
    x = 1,655.20

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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.