Home / 2,240.57-3,089.18-1,904.15

Finding the Fourth Proportional to 2,240.57, 3,089.18 and 1,904.15

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Solution

The fourth proportional to 2,240.57, 3,089.18 and 1,904.15 is: 2,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.57 : 3,089.18 = 1,904.15 : x
  2. Step 2: Convert to fraction form
    2,240.57/3,089.18 = 1,904.15/x
  3. Step 3: Cross multiply
    2,240.57x = 3,089.18 × 1,904.15
  4. Step 4: Simplify right side
    2,240.57x = 5,882,251.41
  5. Step 5: Solve for x
    x = 5,882,251.41/2,240.57
  6. Step 6: Final answer
    x = 2,625.34

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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.