Home / 2,605.30-3,599.22-1,711.15

Finding the Fourth Proportional to 2,605.30, 3,599.22 and 1,711.15

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Solution

The fourth proportional to 2,605.30, 3,599.22 and 1,711.15 is: 2,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.30 : 3,599.22 = 1,711.15 : x
  2. Step 2: Convert to fraction form
    2,605.30/3,599.22 = 1,711.15/x
  3. Step 3: Cross multiply
    2,605.30x = 3,599.22 × 1,711.15
  4. Step 4: Simplify right side
    2,605.30x = 6,158,805.30
  5. Step 5: Solve for x
    x = 6,158,805.30/2,605.30
  6. Step 6: Final answer
    x = 2,363.95

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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.