Home / 2,471.19-3,685.95-2,101.83

Finding the Fourth Proportional to 2,471.19, 3,685.95 and 2,101.83

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Solution

The fourth proportional to 2,471.19, 3,685.95 and 2,101.83 is: 3,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.19 : 3,685.95 = 2,101.83 : x
  2. Step 2: Convert to fraction form
    2,471.19/3,685.95 = 2,101.83/x
  3. Step 3: Cross multiply
    2,471.19x = 3,685.95 × 2,101.83
  4. Step 4: Simplify right side
    2,471.19x = 7,747,240.29
  5. Step 5: Solve for x
    x = 7,747,240.29/2,471.19
  6. Step 6: Final answer
    x = 3,135.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.