Home / 3,010.96-4,156.68-2,077.84

Finding the Fourth Proportional to 3,010.96, 4,156.68 and 2,077.84

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Solution

The fourth proportional to 3,010.96, 4,156.68 and 2,077.84 is: 2,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.96 : 4,156.68 = 2,077.84 : x
  2. Step 2: Convert to fraction form
    3,010.96/4,156.68 = 2,077.84/x
  3. Step 3: Cross multiply
    3,010.96x = 4,156.68 × 2,077.84
  4. Step 4: Simplify right side
    3,010.96x = 8,636,915.97
  5. Step 5: Solve for x
    x = 8,636,915.97/3,010.96
  6. Step 6: Final answer
    x = 2,868.49

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Half scale
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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.