Home / 2,407.38-3,318.56-1,882.50

Finding the Fourth Proportional to 2,407.38, 3,318.56 and 1,882.50

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Solution

The fourth proportional to 2,407.38, 3,318.56 and 1,882.50 is: 2,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.38 : 3,318.56 = 1,882.50 : x
  2. Step 2: Convert to fraction form
    2,407.38/3,318.56 = 1,882.50/x
  3. Step 3: Cross multiply
    2,407.38x = 3,318.56 × 1,882.50
  4. Step 4: Simplify right side
    2,407.38x = 6,247,189.20
  5. Step 5: Solve for x
    x = 6,247,189.20/2,407.38
  6. Step 6: Final answer
    x = 2,595.02

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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.