Home / 4,081.80-6,122.01-1,582.68

Finding the Fourth Proportional to 4,081.80, 6,122.01 and 1,582.68

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Solution

The fourth proportional to 4,081.80, 6,122.01 and 1,582.68 is: 2,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.80 : 6,122.01 = 1,582.68 : x
  2. Step 2: Convert to fraction form
    4,081.80/6,122.01 = 1,582.68/x
  3. Step 3: Cross multiply
    4,081.80x = 6,122.01 × 1,582.68
  4. Step 4: Simplify right side
    4,081.80x = 9,689,182.79
  5. Step 5: Solve for x
    x = 9,689,182.79/4,081.80
  6. Step 6: Final answer
    x = 2,373.75

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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.