Home / 2,861.92-4,258.60-2,852.20

Finding the Fourth Proportional to 2,861.92, 4,258.60 and 2,852.20

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Solution

The fourth proportional to 2,861.92, 4,258.60 and 2,852.20 is: 4,244.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.92 : 4,258.60 = 2,852.20 : x
  2. Step 2: Convert to fraction form
    2,861.92/4,258.60 = 2,852.20/x
  3. Step 3: Cross multiply
    2,861.92x = 4,258.60 × 2,852.20
  4. Step 4: Simplify right side
    2,861.92x = 12,146,378.92
  5. Step 5: Solve for x
    x = 12,146,378.92/2,861.92
  6. Step 6: Final answer
    x = 4,244.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.