Home / 2,257.32-3,113.19-1,904.97

Finding the Fourth Proportional to 2,257.32, 3,113.19 and 1,904.97

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Solution

The fourth proportional to 2,257.32, 3,113.19 and 1,904.97 is: 2,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.32 : 3,113.19 = 1,904.97 : x
  2. Step 2: Convert to fraction form
    2,257.32/3,113.19 = 1,904.97/x
  3. Step 3: Cross multiply
    2,257.32x = 3,113.19 × 1,904.97
  4. Step 4: Simplify right side
    2,257.32x = 5,930,533.55
  5. Step 5: Solve for x
    x = 5,930,533.55/2,257.32
  6. Step 6: Final answer
    x = 2,627.25

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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.