Home / 2,476.87-3,418.46-1,581

Finding the Fourth Proportional to 2,476.87, 3,418.46 and 1,581

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Solution

The fourth proportional to 2,476.87, 3,418.46 and 1,581 is: 2,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.87 : 3,418.46 = 1,581 : x
  2. Step 2: Convert to fraction form
    2,476.87/3,418.46 = 1,581/x
  3. Step 3: Cross multiply
    2,476.87x = 3,418.46 × 1,581
  4. Step 4: Simplify right side
    2,476.87x = 5,404,585.26
  5. Step 5: Solve for x
    x = 5,404,585.26/2,476.87
  6. Step 6: Final answer
    x = 2,182.02

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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.