Home / 2,573.92-3,856.24-2,165.60

Finding the Fourth Proportional to 2,573.92, 3,856.24 and 2,165.60

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Solution

The fourth proportional to 2,573.92, 3,856.24 and 2,165.60 is: 3,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.92 : 3,856.24 = 2,165.60 : x
  2. Step 2: Convert to fraction form
    2,573.92/3,856.24 = 2,165.60/x
  3. Step 3: Cross multiply
    2,573.92x = 3,856.24 × 2,165.60
  4. Step 4: Simplify right side
    2,573.92x = 8,351,073.34
  5. Step 5: Solve for x
    x = 8,351,073.34/2,573.92
  6. Step 6: Final answer
    x = 3,244.50

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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.