Home / 2,889.60-4,331.30-1,246.92

Finding the Fourth Proportional to 2,889.60, 4,331.30 and 1,246.92

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Solution

The fourth proportional to 2,889.60, 4,331.30 and 1,246.92 is: 1,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.60 : 4,331.30 = 1,246.92 : x
  2. Step 2: Convert to fraction form
    2,889.60/4,331.30 = 1,246.92/x
  3. Step 3: Cross multiply
    2,889.60x = 4,331.30 × 1,246.92
  4. Step 4: Simplify right side
    2,889.60x = 5,400,778.36
  5. Step 5: Solve for x
    x = 5,400,778.36/2,889.60
  6. Step 6: Final answer
    x = 1,869.04

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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.