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Finding the Fourth Proportional to 2,718.95, 3,752.15 and 1,476.95

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Solution

The fourth proportional to 2,718.95, 3,752.15 and 1,476.95 is: 2,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.95 : 3,752.15 = 1,476.95 : x
  2. Step 2: Convert to fraction form
    2,718.95/3,752.15 = 1,476.95/x
  3. Step 3: Cross multiply
    2,718.95x = 3,752.15 × 1,476.95
  4. Step 4: Simplify right side
    2,718.95x = 5,541,711.80
  5. Step 5: Solve for x
    x = 5,541,711.80/2,718.95
  6. Step 6: Final answer
    x = 2,038.18

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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.