Home / 2,825.14-4,220.47-2,248.66

Finding the Fourth Proportional to 2,825.14, 4,220.47 and 2,248.66

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Solution

The fourth proportional to 2,825.14, 4,220.47 and 2,248.66 is: 3,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.14 : 4,220.47 = 2,248.66 : x
  2. Step 2: Convert to fraction form
    2,825.14/4,220.47 = 2,248.66/x
  3. Step 3: Cross multiply
    2,825.14x = 4,220.47 × 2,248.66
  4. Step 4: Simplify right side
    2,825.14x = 9,490,390.83
  5. Step 5: Solve for x
    x = 9,490,390.83/2,825.14
  6. Step 6: Final answer
    x = 3,359.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.