Home / 2,447.47-3,377.80-1,370.85

Finding the Fourth Proportional to 2,447.47, 3,377.80 and 1,370.85

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Solution

The fourth proportional to 2,447.47, 3,377.80 and 1,370.85 is: 1,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.47 : 3,377.80 = 1,370.85 : x
  2. Step 2: Convert to fraction form
    2,447.47/3,377.80 = 1,370.85/x
  3. Step 3: Cross multiply
    2,447.47x = 3,377.80 × 1,370.85
  4. Step 4: Simplify right side
    2,447.47x = 4,630,440.24
  5. Step 5: Solve for x
    x = 4,630,440.24/2,447.47
  6. Step 6: Final answer
    x = 1,891.93

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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.