Home / 2,702.24-4,053.60-2,086.40

Finding the Fourth Proportional to 2,702.24, 4,053.60 and 2,086.40

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Solution

The fourth proportional to 2,702.24, 4,053.60 and 2,086.40 is: 3,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.24 : 4,053.60 = 2,086.40 : x
  2. Step 2: Convert to fraction form
    2,702.24/4,053.60 = 2,086.40/x
  3. Step 3: Cross multiply
    2,702.24x = 4,053.60 × 2,086.40
  4. Step 4: Simplify right side
    2,702.24x = 8,457,431.04
  5. Step 5: Solve for x
    x = 8,457,431.04/2,702.24
  6. Step 6: Final answer
    x = 3,129.79

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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.