Home / 2,702.08-4,053.36-1,403.20

Finding the Fourth Proportional to 2,702.08, 4,053.36 and 1,403.20

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Solution

The fourth proportional to 2,702.08, 4,053.36 and 1,403.20 is: 2,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.08 : 4,053.36 = 1,403.20 : x
  2. Step 2: Convert to fraction form
    2,702.08/4,053.36 = 1,403.20/x
  3. Step 3: Cross multiply
    2,702.08x = 4,053.36 × 1,403.20
  4. Step 4: Simplify right side
    2,702.08x = 5,687,674.75
  5. Step 5: Solve for x
    x = 5,687,674.75/2,702.08
  6. Step 6: Final answer
    x = 2,104.92

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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.