Home / 3,357.60-4,635.76-2,520.16

Finding the Fourth Proportional to 3,357.60, 4,635.76 and 2,520.16

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Solution

The fourth proportional to 3,357.60, 4,635.76 and 2,520.16 is: 3,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.60 : 4,635.76 = 2,520.16 : x
  2. Step 2: Convert to fraction form
    3,357.60/4,635.76 = 2,520.16/x
  3. Step 3: Cross multiply
    3,357.60x = 4,635.76 × 2,520.16
  4. Step 4: Simplify right side
    3,357.60x = 11,682,856.92
  5. Step 5: Solve for x
    x = 11,682,856.92/3,357.60
  6. Step 6: Final answer
    x = 3,479.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.