Home / 2,116.63-2,921.28-1,232.92

Finding the Fourth Proportional to 2,116.63, 2,921.28 and 1,232.92

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Solution

The fourth proportional to 2,116.63, 2,921.28 and 1,232.92 is: 1,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.63 : 2,921.28 = 1,232.92 : x
  2. Step 2: Convert to fraction form
    2,116.63/2,921.28 = 1,232.92/x
  3. Step 3: Cross multiply
    2,116.63x = 2,921.28 × 1,232.92
  4. Step 4: Simplify right side
    2,116.63x = 3,601,689.93
  5. Step 5: Solve for x
    x = 3,601,689.93/2,116.63
  6. Step 6: Final answer
    x = 1,701.62

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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.