Home / 2,557.97-3,527.92-2,208.05

Finding the Fourth Proportional to 2,557.97, 3,527.92 and 2,208.05

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Solution

The fourth proportional to 2,557.97, 3,527.92 and 2,208.05 is: 3,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.97 : 3,527.92 = 2,208.05 : x
  2. Step 2: Convert to fraction form
    2,557.97/3,527.92 = 2,208.05/x
  3. Step 3: Cross multiply
    2,557.97x = 3,527.92 × 2,208.05
  4. Step 4: Simplify right side
    2,557.97x = 7,789,823.76
  5. Step 5: Solve for x
    x = 7,789,823.76/2,557.97
  6. Step 6: Final answer
    x = 3,045.31

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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.