Home / 3,665.28-5,058.36-3,000.18

Finding the Fourth Proportional to 3,665.28, 5,058.36 and 3,000.18

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Solution

The fourth proportional to 3,665.28, 5,058.36 and 3,000.18 is: 4,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.28 : 5,058.36 = 3,000.18 : x
  2. Step 2: Convert to fraction form
    3,665.28/5,058.36 = 3,000.18/x
  3. Step 3: Cross multiply
    3,665.28x = 5,058.36 × 3,000.18
  4. Step 4: Simplify right side
    3,665.28x = 15,175,990.50
  5. Step 5: Solve for x
    x = 15,175,990.50/3,665.28
  6. Step 6: Final answer
    x = 4,140.47

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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.