Home / 1,963.28-2,946.92-1,038.66

Finding the Fourth Proportional to 1,963.28, 2,946.92 and 1,038.66

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Solution

The fourth proportional to 1,963.28, 2,946.92 and 1,038.66 is: 1,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.28 : 2,946.92 = 1,038.66 : x
  2. Step 2: Convert to fraction form
    1,963.28/2,946.92 = 1,038.66/x
  3. Step 3: Cross multiply
    1,963.28x = 2,946.92 × 1,038.66
  4. Step 4: Simplify right side
    1,963.28x = 3,060,842.73
  5. Step 5: Solve for x
    x = 3,060,842.73/1,963.28
  6. Step 6: Final answer
    x = 1,559.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.