Home / 3,077.13-4,615.70-2,102.70

Finding the Fourth Proportional to 3,077.13, 4,615.70 and 2,102.70

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Solution

The fourth proportional to 3,077.13, 4,615.70 and 2,102.70 is: 3,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.13 : 4,615.70 = 2,102.70 : x
  2. Step 2: Convert to fraction form
    3,077.13/4,615.70 = 2,102.70/x
  3. Step 3: Cross multiply
    3,077.13x = 4,615.70 × 2,102.70
  4. Step 4: Simplify right side
    3,077.13x = 9,705,432.39
  5. Step 5: Solve for x
    x = 9,705,432.39/3,077.13
  6. Step 6: Final answer
    x = 3,154.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.