Home / 3,321.42-4,580.51-2,260.77

Finding the Fourth Proportional to 3,321.42, 4,580.51 and 2,260.77

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Solution

The fourth proportional to 3,321.42, 4,580.51 and 2,260.77 is: 3,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.42 : 4,580.51 = 2,260.77 : x
  2. Step 2: Convert to fraction form
    3,321.42/4,580.51 = 2,260.77/x
  3. Step 3: Cross multiply
    3,321.42x = 4,580.51 × 2,260.77
  4. Step 4: Simplify right side
    3,321.42x = 10,355,468.29
  5. Step 5: Solve for x
    x = 10,355,468.29/3,321.42
  6. Step 6: Final answer
    x = 3,117.78

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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.