Home / 3,377.45-5,066.18-1,428.59

Finding the Fourth Proportional to 3,377.45, 5,066.18 and 1,428.59

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Solution

The fourth proportional to 3,377.45, 5,066.18 and 1,428.59 is: 2,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.45 : 5,066.18 = 1,428.59 : x
  2. Step 2: Convert to fraction form
    3,377.45/5,066.18 = 1,428.59/x
  3. Step 3: Cross multiply
    3,377.45x = 5,066.18 × 1,428.59
  4. Step 4: Simplify right side
    3,377.45x = 7,237,461.61
  5. Step 5: Solve for x
    x = 7,237,461.61/3,377.45
  6. Step 6: Final answer
    x = 2,142.88

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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.