Home / 3,381.09-4,689.77-3,291.18

Finding the Fourth Proportional to 3,381.09, 4,689.77 and 3,291.18

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Solution

The fourth proportional to 3,381.09, 4,689.77 and 3,291.18 is: 4,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.09 : 4,689.77 = 3,291.18 : x
  2. Step 2: Convert to fraction form
    3,381.09/4,689.77 = 3,291.18/x
  3. Step 3: Cross multiply
    3,381.09x = 4,689.77 × 3,291.18
  4. Step 4: Simplify right side
    3,381.09x = 15,434,877.23
  5. Step 5: Solve for x
    x = 15,434,877.23/3,381.09
  6. Step 6: Final answer
    x = 4,565.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.