Home / 1,575.64-2,356.17-1,138.24

Finding the Fourth Proportional to 1,575.64, 2,356.17 and 1,138.24

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Solution

The fourth proportional to 1,575.64, 2,356.17 and 1,138.24 is: 1,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.64 : 2,356.17 = 1,138.24 : x
  2. Step 2: Convert to fraction form
    1,575.64/2,356.17 = 1,138.24/x
  3. Step 3: Cross multiply
    1,575.64x = 2,356.17 × 1,138.24
  4. Step 4: Simplify right side
    1,575.64x = 2,681,886.94
  5. Step 5: Solve for x
    x = 2,681,886.94/1,575.64
  6. Step 6: Final answer
    x = 1,702.09

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1.5x scale

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.