Home / 2,519.49-3,476.76-1,400.43

Finding the Fourth Proportional to 2,519.49, 3,476.76 and 1,400.43

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Solution

The fourth proportional to 2,519.49, 3,476.76 and 1,400.43 is: 1,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.49 : 3,476.76 = 1,400.43 : x
  2. Step 2: Convert to fraction form
    2,519.49/3,476.76 = 1,400.43/x
  3. Step 3: Cross multiply
    2,519.49x = 3,476.76 × 1,400.43
  4. Step 4: Simplify right side
    2,519.49x = 4,868,959.01
  5. Step 5: Solve for x
    x = 4,868,959.01/2,519.49
  6. Step 6: Final answer
    x = 1,932.52

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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.