Home / 3,725.50-5,589.05-1,260.20

Finding the Fourth Proportional to 3,725.50, 5,589.05 and 1,260.20

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Solution

The fourth proportional to 3,725.50, 5,589.05 and 1,260.20 is: 1,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.50 : 5,589.05 = 1,260.20 : x
  2. Step 2: Convert to fraction form
    3,725.50/5,589.05 = 1,260.20/x
  3. Step 3: Cross multiply
    3,725.50x = 5,589.05 × 1,260.20
  4. Step 4: Simplify right side
    3,725.50x = 7,043,320.81
  5. Step 5: Solve for x
    x = 7,043,320.81/3,725.50
  6. Step 6: Final answer
    x = 1,890.57

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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.