Home / 3,630.18-5,005.80-3,154.08

Finding the Fourth Proportional to 3,630.18, 5,005.80 and 3,154.08

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Solution

The fourth proportional to 3,630.18, 5,005.80 and 3,154.08 is: 4,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.18 : 5,005.80 = 3,154.08 : x
  2. Step 2: Convert to fraction form
    3,630.18/5,005.80 = 3,154.08/x
  3. Step 3: Cross multiply
    3,630.18x = 5,005.80 × 3,154.08
  4. Step 4: Simplify right side
    3,630.18x = 15,788,693.66
  5. Step 5: Solve for x
    x = 15,788,693.66/3,630.18
  6. Step 6: Final answer
    x = 4,349.29

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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.