Home / 3,045.20-4,564.13-1,399.49

Finding the Fourth Proportional to 3,045.20, 4,564.13 and 1,399.49

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Solution

The fourth proportional to 3,045.20, 4,564.13 and 1,399.49 is: 2,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.20 : 4,564.13 = 1,399.49 : x
  2. Step 2: Convert to fraction form
    3,045.20/4,564.13 = 1,399.49/x
  3. Step 3: Cross multiply
    3,045.20x = 4,564.13 × 1,399.49
  4. Step 4: Simplify right side
    3,045.20x = 6,387,447.30
  5. Step 5: Solve for x
    x = 6,387,447.30/3,045.20
  6. Step 6: Final answer
    x = 2,097.55

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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.