Home / 2,230.97-3,080.15-1,434.66

Finding the Fourth Proportional to 2,230.97, 3,080.15 and 1,434.66

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Solution

The fourth proportional to 2,230.97, 3,080.15 and 1,434.66 is: 1,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.97 : 3,080.15 = 1,434.66 : x
  2. Step 2: Convert to fraction form
    2,230.97/3,080.15 = 1,434.66/x
  3. Step 3: Cross multiply
    2,230.97x = 3,080.15 × 1,434.66
  4. Step 4: Simplify right side
    2,230.97x = 4,418,960.83
  5. Step 5: Solve for x
    x = 4,418,960.83/2,230.97
  6. Step 6: Final answer
    x = 1,980.74

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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.