Home / 3,904.15-5,856.23-1,439.05

Finding the Fourth Proportional to 3,904.15, 5,856.23 and 1,439.05

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Solution

The fourth proportional to 3,904.15, 5,856.23 and 1,439.05 is: 2,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.15 : 5,856.23 = 1,439.05 : x
  2. Step 2: Convert to fraction form
    3,904.15/5,856.23 = 1,439.05/x
  3. Step 3: Cross multiply
    3,904.15x = 5,856.23 × 1,439.05
  4. Step 4: Simplify right side
    3,904.15x = 8,427,407.78
  5. Step 5: Solve for x
    x = 8,427,407.78/3,904.15
  6. Step 6: Final answer
    x = 2,158.58

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Similar ratio
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1.5x scale

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.