Home / 3,425.06-5,138.40-1,476.20

Finding the Fourth Proportional to 3,425.06, 5,138.40 and 1,476.20

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Solution

The fourth proportional to 3,425.06, 5,138.40 and 1,476.20 is: 2,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.06 : 5,138.40 = 1,476.20 : x
  2. Step 2: Convert to fraction form
    3,425.06/5,138.40 = 1,476.20/x
  3. Step 3: Cross multiply
    3,425.06x = 5,138.40 × 1,476.20
  4. Step 4: Simplify right side
    3,425.06x = 7,585,306.08
  5. Step 5: Solve for x
    x = 7,585,306.08/3,425.06
  6. Step 6: Final answer
    x = 2,214.65

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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.