Home / 2,447.19-3,376.28-1,384.83

Finding the Fourth Proportional to 2,447.19, 3,376.28 and 1,384.83

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Solution

The fourth proportional to 2,447.19, 3,376.28 and 1,384.83 is: 1,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.19 : 3,376.28 = 1,384.83 : x
  2. Step 2: Convert to fraction form
    2,447.19/3,376.28 = 1,384.83/x
  3. Step 3: Cross multiply
    2,447.19x = 3,376.28 × 1,384.83
  4. Step 4: Simplify right side
    2,447.19x = 4,675,577.29
  5. Step 5: Solve for x
    x = 4,675,577.29/2,447.19
  6. Step 6: Final answer
    x = 1,910.59

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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.