Home / 2,270.27-3,135.02-1,432.46

Finding the Fourth Proportional to 2,270.27, 3,135.02 and 1,432.46

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Solution

The fourth proportional to 2,270.27, 3,135.02 and 1,432.46 is: 1,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.27 : 3,135.02 = 1,432.46 : x
  2. Step 2: Convert to fraction form
    2,270.27/3,135.02 = 1,432.46/x
  3. Step 3: Cross multiply
    2,270.27x = 3,135.02 × 1,432.46
  4. Step 4: Simplify right side
    2,270.27x = 4,490,767.91
  5. Step 5: Solve for x
    x = 4,490,767.91/2,270.27
  6. Step 6: Final answer
    x = 1,978.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.