Home / 3,337.48-5,007.66-1,390.12

Finding the Fourth Proportional to 3,337.48, 5,007.66 and 1,390.12

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Solution

The fourth proportional to 3,337.48, 5,007.66 and 1,390.12 is: 2,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.48 : 5,007.66 = 1,390.12 : x
  2. Step 2: Convert to fraction form
    3,337.48/5,007.66 = 1,390.12/x
  3. Step 3: Cross multiply
    3,337.48x = 5,007.66 × 1,390.12
  4. Step 4: Simplify right side
    3,337.48x = 6,961,248.32
  5. Step 5: Solve for x
    x = 6,961,248.32/3,337.48
  6. Step 6: Final answer
    x = 2,085.78

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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.