Home / 3,835.12-5,290.68-2,418.16

Finding the Fourth Proportional to 3,835.12, 5,290.68 and 2,418.16

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Solution

The fourth proportional to 3,835.12, 5,290.68 and 2,418.16 is: 3,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.12 : 5,290.68 = 2,418.16 : x
  2. Step 2: Convert to fraction form
    3,835.12/5,290.68 = 2,418.16/x
  3. Step 3: Cross multiply
    3,835.12x = 5,290.68 × 2,418.16
  4. Step 4: Simplify right side
    3,835.12x = 12,793,710.75
  5. Step 5: Solve for x
    x = 12,793,710.75/3,835.12
  6. Step 6: Final answer
    x = 3,335.93

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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.