Home / 3,877.19-5,817.33-1,412.18

Finding the Fourth Proportional to 3,877.19, 5,817.33 and 1,412.18

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Solution

The fourth proportional to 3,877.19, 5,817.33 and 1,412.18 is: 2,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.19 : 5,817.33 = 1,412.18 : x
  2. Step 2: Convert to fraction form
    3,877.19/5,817.33 = 1,412.18/x
  3. Step 3: Cross multiply
    3,877.19x = 5,817.33 × 1,412.18
  4. Step 4: Simplify right side
    3,877.19x = 8,215,117.08
  5. Step 5: Solve for x
    x = 8,215,117.08/3,877.19
  6. Step 6: Final answer
    x = 2,118.83

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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.