Home / 2,961.60-4,086.79-1,702.52

Finding the Fourth Proportional to 2,961.60, 4,086.79 and 1,702.52

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Solution

The fourth proportional to 2,961.60, 4,086.79 and 1,702.52 is: 2,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.60 : 4,086.79 = 1,702.52 : x
  2. Step 2: Convert to fraction form
    2,961.60/4,086.79 = 1,702.52/x
  3. Step 3: Cross multiply
    2,961.60x = 4,086.79 × 1,702.52
  4. Step 4: Simplify right side
    2,961.60x = 6,957,832.35
  5. Step 5: Solve for x
    x = 6,957,832.35/2,961.60
  6. Step 6: Final answer
    x = 2,349.35

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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.