Home / 3,386.10-5,079.15-3,083.70

Finding the Fourth Proportional to 3,386.10, 5,079.15 and 3,083.70

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Solution

The fourth proportional to 3,386.10, 5,079.15 and 3,083.70 is: 4,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.10 : 5,079.15 = 3,083.70 : x
  2. Step 2: Convert to fraction form
    3,386.10/5,079.15 = 3,083.70/x
  3. Step 3: Cross multiply
    3,386.10x = 5,079.15 × 3,083.70
  4. Step 4: Simplify right side
    3,386.10x = 15,662,574.86
  5. Step 5: Solve for x
    x = 15,662,574.86/3,386.10
  6. Step 6: Final answer
    x = 4,625.55

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Half scale
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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.