Home / 2,677.60-4,013.52-1,808.80

Finding the Fourth Proportional to 2,677.60, 4,013.52 and 1,808.80

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Solution

The fourth proportional to 2,677.60, 4,013.52 and 1,808.80 is: 2,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.60 : 4,013.52 = 1,808.80 : x
  2. Step 2: Convert to fraction form
    2,677.60/4,013.52 = 1,808.80/x
  3. Step 3: Cross multiply
    2,677.60x = 4,013.52 × 1,808.80
  4. Step 4: Simplify right side
    2,677.60x = 7,259,654.98
  5. Step 5: Solve for x
    x = 7,259,654.98/2,677.60
  6. Step 6: Final answer
    x = 2,711.25

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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.