Home / 1,250.32-1,725.92-1,119.08

Finding the Fourth Proportional to 1,250.32, 1,725.92 and 1,119.08

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Solution

The fourth proportional to 1,250.32, 1,725.92 and 1,119.08 is: 1,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.32 : 1,725.92 = 1,119.08 : x
  2. Step 2: Convert to fraction form
    1,250.32/1,725.92 = 1,119.08/x
  3. Step 3: Cross multiply
    1,250.32x = 1,725.92 × 1,119.08
  4. Step 4: Simplify right side
    1,250.32x = 1,931,442.55
  5. Step 5: Solve for x
    x = 1,931,442.55/1,250.32
  6. Step 6: Final answer
    x = 1,544.76

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1.5x scale

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.