Home / 2,479.55-3,720.65-1,246.95

Finding the Fourth Proportional to 2,479.55, 3,720.65 and 1,246.95

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Solution

The fourth proportional to 2,479.55, 3,720.65 and 1,246.95 is: 1,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.55 : 3,720.65 = 1,246.95 : x
  2. Step 2: Convert to fraction form
    2,479.55/3,720.65 = 1,246.95/x
  3. Step 3: Cross multiply
    2,479.55x = 3,720.65 × 1,246.95
  4. Step 4: Simplify right side
    2,479.55x = 4,639,458.28
  5. Step 5: Solve for x
    x = 4,639,458.28/2,479.55
  6. Step 6: Final answer
    x = 1,871.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.