Home / 3,680.14-5,078.50-2,001.52

Finding the Fourth Proportional to 3,680.14, 5,078.50 and 2,001.52

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Solution

The fourth proportional to 3,680.14, 5,078.50 and 2,001.52 is: 2,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.14 : 5,078.50 = 2,001.52 : x
  2. Step 2: Convert to fraction form
    3,680.14/5,078.50 = 2,001.52/x
  3. Step 3: Cross multiply
    3,680.14x = 5,078.50 × 2,001.52
  4. Step 4: Simplify right side
    3,680.14x = 10,164,693.93
  5. Step 5: Solve for x
    x = 10,164,693.93/3,680.14
  6. Step 6: Final answer
    x = 2,762.04

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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.