Home / 3,076.26-4,615.98-1,432.32

Finding the Fourth Proportional to 3,076.26, 4,615.98 and 1,432.32

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Solution

The fourth proportional to 3,076.26, 4,615.98 and 1,432.32 is: 2,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.26 : 4,615.98 = 1,432.32 : x
  2. Step 2: Convert to fraction form
    3,076.26/4,615.98 = 1,432.32/x
  3. Step 3: Cross multiply
    3,076.26x = 4,615.98 × 1,432.32
  4. Step 4: Simplify right side
    3,076.26x = 6,611,560.47
  5. Step 5: Solve for x
    x = 6,611,560.47/3,076.26
  6. Step 6: Final answer
    x = 2,149.22

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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.