Home / 1,500.11-2,248.36-1,325.15

Finding the Fourth Proportional to 1,500.11, 2,248.36 and 1,325.15

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Solution

The fourth proportional to 1,500.11, 2,248.36 and 1,325.15 is: 1,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.11 : 2,248.36 = 1,325.15 : x
  2. Step 2: Convert to fraction form
    1,500.11/2,248.36 = 1,325.15/x
  3. Step 3: Cross multiply
    1,500.11x = 2,248.36 × 1,325.15
  4. Step 4: Simplify right side
    1,500.11x = 2,979,414.25
  5. Step 5: Solve for x
    x = 2,979,414.25/1,500.11
  6. Step 6: Final answer
    x = 1,986.13

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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.