Home / 2,612.97-3,605.88-1,434.02

Finding the Fourth Proportional to 2,612.97, 3,605.88 and 1,434.02

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Solution

The fourth proportional to 2,612.97, 3,605.88 and 1,434.02 is: 1,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.97 : 3,605.88 = 1,434.02 : x
  2. Step 2: Convert to fraction form
    2,612.97/3,605.88 = 1,434.02/x
  3. Step 3: Cross multiply
    2,612.97x = 3,605.88 × 1,434.02
  4. Step 4: Simplify right side
    2,612.97x = 5,170,891.39
  5. Step 5: Solve for x
    x = 5,170,891.39/2,612.97
  6. Step 6: Final answer
    x = 1,978.93

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1.5x scale

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.