Home / 2,910.12-4,017.76-2,003.18

Finding the Fourth Proportional to 2,910.12, 4,017.76 and 2,003.18

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Solution

The fourth proportional to 2,910.12, 4,017.76 and 2,003.18 is: 2,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.12 : 4,017.76 = 2,003.18 : x
  2. Step 2: Convert to fraction form
    2,910.12/4,017.76 = 2,003.18/x
  3. Step 3: Cross multiply
    2,910.12x = 4,017.76 × 2,003.18
  4. Step 4: Simplify right side
    2,910.12x = 8,048,296.48
  5. Step 5: Solve for x
    x = 8,048,296.48/2,910.12
  6. Step 6: Final answer
    x = 2,765.62

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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.