Home / 2,891.16-4,345.38-2,545.56

Finding the Fourth Proportional to 2,891.16, 4,345.38 and 2,545.56

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Solution

The fourth proportional to 2,891.16, 4,345.38 and 2,545.56 is: 3,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.16 : 4,345.38 = 2,545.56 : x
  2. Step 2: Convert to fraction form
    2,891.16/4,345.38 = 2,545.56/x
  3. Step 3: Cross multiply
    2,891.16x = 4,345.38 × 2,545.56
  4. Step 4: Simplify right side
    2,891.16x = 11,061,425.51
  5. Step 5: Solve for x
    x = 11,061,425.51/2,891.16
  6. Step 6: Final answer
    x = 3,825.95

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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.