Home / 2,963.17-4,089.19-1,618.80

Finding the Fourth Proportional to 2,963.17, 4,089.19 and 1,618.80

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Solution

The fourth proportional to 2,963.17, 4,089.19 and 1,618.80 is: 2,233.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.17 : 4,089.19 = 1,618.80 : x
  2. Step 2: Convert to fraction form
    2,963.17/4,089.19 = 1,618.80/x
  3. Step 3: Cross multiply
    2,963.17x = 4,089.19 × 1,618.80
  4. Step 4: Simplify right side
    2,963.17x = 6,619,586.36
  5. Step 5: Solve for x
    x = 6,619,586.36/2,963.17
  6. Step 6: Final answer
    x = 2,233.95

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1.5x scale

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.