Home / 2,519.00-3,475.85-1,399.95

Finding the Fourth Proportional to 2,519.00, 3,475.85 and 1,399.95

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Solution

The fourth proportional to 2,519.00, 3,475.85 and 1,399.95 is: 1,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.00 : 3,475.85 = 1,399.95 : x
  2. Step 2: Convert to fraction form
    2,519.00/3,475.85 = 1,399.95/x
  3. Step 3: Cross multiply
    2,519.00x = 3,475.85 × 1,399.95
  4. Step 4: Simplify right side
    2,519.00x = 4,866,009.21
  5. Step 5: Solve for x
    x = 4,866,009.21/2,519.00
  6. Step 6: Final answer
    x = 1,931.72

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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.