Home / 2,519.53-3,476.90-1,400.42

Finding the Fourth Proportional to 2,519.53, 3,476.90 and 1,400.42

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Solution

The fourth proportional to 2,519.53, 3,476.90 and 1,400.42 is: 1,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.53 : 3,476.90 = 1,400.42 : x
  2. Step 2: Convert to fraction form
    2,519.53/3,476.90 = 1,400.42/x
  3. Step 3: Cross multiply
    2,519.53x = 3,476.90 × 1,400.42
  4. Step 4: Simplify right side
    2,519.53x = 4,869,132.49
  5. Step 5: Solve for x
    x = 4,869,132.49/2,519.53
  6. Step 6: Final answer
    x = 1,932.56

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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.