Home / 2,702.28-4,053.96-1,242.48

Finding the Fourth Proportional to 2,702.28, 4,053.96 and 1,242.48

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Solution

The fourth proportional to 2,702.28, 4,053.96 and 1,242.48 is: 1,863.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.28 : 4,053.96 = 1,242.48 : x
  2. Step 2: Convert to fraction form
    2,702.28/4,053.96 = 1,242.48/x
  3. Step 3: Cross multiply
    2,702.28x = 4,053.96 × 1,242.48
  4. Step 4: Simplify right side
    2,702.28x = 5,036,964.22
  5. Step 5: Solve for x
    x = 5,036,964.22/2,702.28
  6. Step 6: Final answer
    x = 1,863.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.