Home / 2,471.19-3,411.48-1,910.39

Finding the Fourth Proportional to 2,471.19, 3,411.48 and 1,910.39

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Solution

The fourth proportional to 2,471.19, 3,411.48 and 1,910.39 is: 2,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.19 : 3,411.48 = 1,910.39 : x
  2. Step 2: Convert to fraction form
    2,471.19/3,411.48 = 1,910.39/x
  3. Step 3: Cross multiply
    2,471.19x = 3,411.48 × 1,910.39
  4. Step 4: Simplify right side
    2,471.19x = 6,517,248.75
  5. Step 5: Solve for x
    x = 6,517,248.75/2,471.19
  6. Step 6: Final answer
    x = 2,637.30

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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.