Home / 3,347.20-4,617.68-2,020.15

Finding the Fourth Proportional to 3,347.20, 4,617.68 and 2,020.15

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Solution

The fourth proportional to 3,347.20, 4,617.68 and 2,020.15 is: 2,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.20 : 4,617.68 = 2,020.15 : x
  2. Step 2: Convert to fraction form
    3,347.20/4,617.68 = 2,020.15/x
  3. Step 3: Cross multiply
    3,347.20x = 4,617.68 × 2,020.15
  4. Step 4: Simplify right side
    3,347.20x = 9,328,406.25
  5. Step 5: Solve for x
    x = 9,328,406.25/3,347.20
  6. Step 6: Final answer
    x = 2,786.93

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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.