Home / 3,711.80-5,567.70-1,114.76

Finding the Fourth Proportional to 3,711.80, 5,567.70 and 1,114.76

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Solution

The fourth proportional to 3,711.80, 5,567.70 and 1,114.76 is: 1,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.80 : 5,567.70 = 1,114.76 : x
  2. Step 2: Convert to fraction form
    3,711.80/5,567.70 = 1,114.76/x
  3. Step 3: Cross multiply
    3,711.80x = 5,567.70 × 1,114.76
  4. Step 4: Simplify right side
    3,711.80x = 6,206,649.25
  5. Step 5: Solve for x
    x = 6,206,649.25/3,711.80
  6. Step 6: Final answer
    x = 1,672.14

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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.