Home / 3,722.70-5,562.78-2,677.80

Finding the Fourth Proportional to 3,722.70, 5,562.78 and 2,677.80

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Solution

The fourth proportional to 3,722.70, 5,562.78 and 2,677.80 is: 4,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.70 : 5,562.78 = 2,677.80 : x
  2. Step 2: Convert to fraction form
    3,722.70/5,562.78 = 2,677.80/x
  3. Step 3: Cross multiply
    3,722.70x = 5,562.78 × 2,677.80
  4. Step 4: Simplify right side
    3,722.70x = 14,896,012.28
  5. Step 5: Solve for x
    x = 14,896,012.28/3,722.70
  6. Step 6: Final answer
    x = 4,001.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.