Home / 3,870.28-5,335.14-3,306.52

Finding the Fourth Proportional to 3,870.28, 5,335.14 and 3,306.52

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Solution

The fourth proportional to 3,870.28, 5,335.14 and 3,306.52 is: 4,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.28 : 5,335.14 = 3,306.52 : x
  2. Step 2: Convert to fraction form
    3,870.28/5,335.14 = 3,306.52/x
  3. Step 3: Cross multiply
    3,870.28x = 5,335.14 × 3,306.52
  4. Step 4: Simplify right side
    3,870.28x = 17,640,747.11
  5. Step 5: Solve for x
    x = 17,640,747.11/3,870.28
  6. Step 6: Final answer
    x = 4,558.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.