Home / 4,108.70-5,671.55-3,116.35

Finding the Fourth Proportional to 4,108.70, 5,671.55 and 3,116.35

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Solution

The fourth proportional to 4,108.70, 5,671.55 and 3,116.35 is: 4,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.70 : 5,671.55 = 3,116.35 : x
  2. Step 2: Convert to fraction form
    4,108.70/5,671.55 = 3,116.35/x
  3. Step 3: Cross multiply
    4,108.70x = 5,671.55 × 3,116.35
  4. Step 4: Simplify right side
    4,108.70x = 17,674,519.26
  5. Step 5: Solve for x
    x = 17,674,519.26/4,108.70
  6. Step 6: Final answer
    x = 4,301.73

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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.