Home / 3,739.59-5,160.80-2,248.20

Finding the Fourth Proportional to 3,739.59, 5,160.80 and 2,248.20

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Solution

The fourth proportional to 3,739.59, 5,160.80 and 2,248.20 is: 3,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.59 : 5,160.80 = 2,248.20 : x
  2. Step 2: Convert to fraction form
    3,739.59/5,160.80 = 2,248.20/x
  3. Step 3: Cross multiply
    3,739.59x = 5,160.80 × 2,248.20
  4. Step 4: Simplify right side
    3,739.59x = 11,602,516.18
  5. Step 5: Solve for x
    x = 11,602,516.18/3,739.59
  6. Step 6: Final answer
    x = 3,102.62

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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.