Home / 3,380.24-5,070.90-1,432.46

Finding the Fourth Proportional to 3,380.24, 5,070.90 and 1,432.46

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Solution

The fourth proportional to 3,380.24, 5,070.90 and 1,432.46 is: 2,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.24 : 5,070.90 = 1,432.46 : x
  2. Step 2: Convert to fraction form
    3,380.24/5,070.90 = 1,432.46/x
  3. Step 3: Cross multiply
    3,380.24x = 5,070.90 × 1,432.46
  4. Step 4: Simplify right side
    3,380.24x = 7,263,836.06
  5. Step 5: Solve for x
    x = 7,263,836.06/3,380.24
  6. Step 6: Final answer
    x = 2,148.91

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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.