Home / 3,380.31-5,070.06-1,432.26

Finding the Fourth Proportional to 3,380.31, 5,070.06 and 1,432.26

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Solution

The fourth proportional to 3,380.31, 5,070.06 and 1,432.26 is: 2,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.31 : 5,070.06 = 1,432.26 : x
  2. Step 2: Convert to fraction form
    3,380.31/5,070.06 = 1,432.26/x
  3. Step 3: Cross multiply
    3,380.31x = 5,070.06 × 1,432.26
  4. Step 4: Simplify right side
    3,380.31x = 7,261,644.14
  5. Step 5: Solve for x
    x = 7,261,644.14/3,380.31
  6. Step 6: Final answer
    x = 2,148.22

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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.