Home / 1,702.60-2,556.30-1,337.80

Finding the Fourth Proportional to 1,702.60, 2,556.30 and 1,337.80

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Solution

The fourth proportional to 1,702.60, 2,556.30 and 1,337.80 is: 2,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.60 : 2,556.30 = 1,337.80 : x
  2. Step 2: Convert to fraction form
    1,702.60/2,556.30 = 1,337.80/x
  3. Step 3: Cross multiply
    1,702.60x = 2,556.30 × 1,337.80
  4. Step 4: Simplify right side
    1,702.60x = 3,419,818.14
  5. Step 5: Solve for x
    x = 3,419,818.14/1,702.60
  6. Step 6: Final answer
    x = 2,008.59

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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.