Home / 3,711.50-5,568.05-1,520.45

Finding the Fourth Proportional to 3,711.50, 5,568.05 and 1,520.45

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Solution

The fourth proportional to 3,711.50, 5,568.05 and 1,520.45 is: 2,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.50 : 5,568.05 = 1,520.45 : x
  2. Step 2: Convert to fraction form
    3,711.50/5,568.05 = 1,520.45/x
  3. Step 3: Cross multiply
    3,711.50x = 5,568.05 × 1,520.45
  4. Step 4: Simplify right side
    3,711.50x = 8,465,917.58
  5. Step 5: Solve for x
    x = 8,465,917.58/3,711.50
  6. Step 6: Final answer
    x = 2,281.00

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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.