Home / 2,471.28-3,409.98-1,423.14

Finding the Fourth Proportional to 2,471.28, 3,409.98 and 1,423.14

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Solution

The fourth proportional to 2,471.28, 3,409.98 and 1,423.14 is: 1,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.28 : 3,409.98 = 1,423.14 : x
  2. Step 2: Convert to fraction form
    2,471.28/3,409.98 = 1,423.14/x
  3. Step 3: Cross multiply
    2,471.28x = 3,409.98 × 1,423.14
  4. Step 4: Simplify right side
    2,471.28x = 4,852,878.94
  5. Step 5: Solve for x
    x = 4,852,878.94/2,471.28
  6. Step 6: Final answer
    x = 1,963.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.