Home / 3,125.35-4,304.20-3,057.31

Finding the Fourth Proportional to 3,125.35, 4,304.20 and 3,057.31

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Solution

The fourth proportional to 3,125.35, 4,304.20 and 3,057.31 is: 4,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.35 : 4,304.20 = 3,057.31 : x
  2. Step 2: Convert to fraction form
    3,125.35/4,304.20 = 3,057.31/x
  3. Step 3: Cross multiply
    3,125.35x = 4,304.20 × 3,057.31
  4. Step 4: Simplify right side
    3,125.35x = 13,159,273.70
  5. Step 5: Solve for x
    x = 13,159,273.70/3,125.35
  6. Step 6: Final answer
    x = 4,210.50

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1.5x scale

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.