Home / 3,009.13-4,505.45-2,490.62

Finding the Fourth Proportional to 3,009.13, 4,505.45 and 2,490.62

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Solution

The fourth proportional to 3,009.13, 4,505.45 and 2,490.62 is: 3,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.13 : 4,505.45 = 2,490.62 : x
  2. Step 2: Convert to fraction form
    3,009.13/4,505.45 = 2,490.62/x
  3. Step 3: Cross multiply
    3,009.13x = 4,505.45 × 2,490.62
  4. Step 4: Simplify right side
    3,009.13x = 11,221,363.88
  5. Step 5: Solve for x
    x = 11,221,363.88/3,009.13
  6. Step 6: Final answer
    x = 3,729.11

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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.