Home / 3,176.32-4,385.51-2,428.98

Finding the Fourth Proportional to 3,176.32, 4,385.51 and 2,428.98

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Solution

The fourth proportional to 3,176.32, 4,385.51 and 2,428.98 is: 3,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.32 : 4,385.51 = 2,428.98 : x
  2. Step 2: Convert to fraction form
    3,176.32/4,385.51 = 2,428.98/x
  3. Step 3: Cross multiply
    3,176.32x = 4,385.51 × 2,428.98
  4. Step 4: Simplify right side
    3,176.32x = 10,652,296.60
  5. Step 5: Solve for x
    x = 10,652,296.60/3,176.32
  6. Step 6: Final answer
    x = 3,353.66

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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.