Home / 1,517.61-2,275.95-997.59

Finding the Fourth Proportional to 1,517.61, 2,275.95 and 997.59

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Solution

The fourth proportional to 1,517.61, 2,275.95 and 997.59 is: 1,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.61 : 2,275.95 = 997.59 : x
  2. Step 2: Convert to fraction form
    1,517.61/2,275.95 = 997.59/x
  3. Step 3: Cross multiply
    1,517.61x = 2,275.95 × 997.59
  4. Step 4: Simplify right side
    1,517.61x = 2,270,464.96
  5. Step 5: Solve for x
    x = 2,270,464.96/1,517.61
  6. Step 6: Final answer
    x = 1,496.08

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1.5x scale

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.