Home / 4,081.61-6,122.36-1,159.92

Finding the Fourth Proportional to 4,081.61, 6,122.36 and 1,159.92

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Solution

The fourth proportional to 4,081.61, 6,122.36 and 1,159.92 is: 1,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.61 : 6,122.36 = 1,159.92 : x
  2. Step 2: Convert to fraction form
    4,081.61/6,122.36 = 1,159.92/x
  3. Step 3: Cross multiply
    4,081.61x = 6,122.36 × 1,159.92
  4. Step 4: Simplify right side
    4,081.61x = 7,101,450.71
  5. Step 5: Solve for x
    x = 7,101,450.71/4,081.61
  6. Step 6: Final answer
    x = 1,739.86

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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.