Home / 2,447.16-3,377.08-1,384.90

Finding the Fourth Proportional to 2,447.16, 3,377.08 and 1,384.90

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Solution

The fourth proportional to 2,447.16, 3,377.08 and 1,384.90 is: 1,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.16 : 3,377.08 = 1,384.90 : x
  2. Step 2: Convert to fraction form
    2,447.16/3,377.08 = 1,384.90/x
  3. Step 3: Cross multiply
    2,447.16x = 3,377.08 × 1,384.90
  4. Step 4: Simplify right side
    2,447.16x = 4,676,922.59
  5. Step 5: Solve for x
    x = 4,676,922.59/2,447.16
  6. Step 6: Final answer
    x = 1,911.17

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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.