Home / 3,177.32-4,385-1,832.96

Finding the Fourth Proportional to 3,177.32, 4,385 and 1,832.96

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Solution

The fourth proportional to 3,177.32, 4,385 and 1,832.96 is: 2,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.32 : 4,385 = 1,832.96 : x
  2. Step 2: Convert to fraction form
    3,177.32/4,385 = 1,832.96/x
  3. Step 3: Cross multiply
    3,177.32x = 4,385 × 1,832.96
  4. Step 4: Simplify right side
    3,177.32x = 8,037,529.60
  5. Step 5: Solve for x
    x = 8,037,529.60/3,177.32
  6. Step 6: Final answer
    x = 2,529.66

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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.