Home / 2,103.15-3,154.73-2,002.35

Finding the Fourth Proportional to 2,103.15, 3,154.73 and 2,002.35

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Solution

The fourth proportional to 2,103.15, 3,154.73 and 2,002.35 is: 3,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.15 : 3,154.73 = 2,002.35 : x
  2. Step 2: Convert to fraction form
    2,103.15/3,154.73 = 2,002.35/x
  3. Step 3: Cross multiply
    2,103.15x = 3,154.73 × 2,002.35
  4. Step 4: Simplify right side
    2,103.15x = 6,316,863.60
  5. Step 5: Solve for x
    x = 6,316,863.60/2,103.15
  6. Step 6: Final answer
    x = 3,003.53

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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.