Home / 1,904.28-2,854.20-1,558.20

Finding the Fourth Proportional to 1,904.28, 2,854.20 and 1,558.20

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Solution

The fourth proportional to 1,904.28, 2,854.20 and 1,558.20 is: 2,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.28 : 2,854.20 = 1,558.20 : x
  2. Step 2: Convert to fraction form
    1,904.28/2,854.20 = 1,558.20/x
  3. Step 3: Cross multiply
    1,904.28x = 2,854.20 × 1,558.20
  4. Step 4: Simplify right side
    1,904.28x = 4,447,414.44
  5. Step 5: Solve for x
    x = 4,447,414.44/1,904.28
  6. Step 6: Final answer
    x = 2,335.48

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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.