Home / 2,447.63-3,377.73-1,399.71

Finding the Fourth Proportional to 2,447.63, 3,377.73 and 1,399.71

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Solution

The fourth proportional to 2,447.63, 3,377.73 and 1,399.71 is: 1,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.63 : 3,377.73 = 1,399.71 : x
  2. Step 2: Convert to fraction form
    2,447.63/3,377.73 = 1,399.71/x
  3. Step 3: Cross multiply
    2,447.63x = 3,377.73 × 1,399.71
  4. Step 4: Simplify right side
    2,447.63x = 4,727,842.46
  5. Step 5: Solve for x
    x = 4,727,842.46/2,447.63
  6. Step 6: Final answer
    x = 1,931.60

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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.