Home / 3,166.67-4,743.93-1,521.16

Finding the Fourth Proportional to 3,166.67, 4,743.93 and 1,521.16

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Solution

The fourth proportional to 3,166.67, 4,743.93 and 1,521.16 is: 2,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.67 : 4,743.93 = 1,521.16 : x
  2. Step 2: Convert to fraction form
    3,166.67/4,743.93 = 1,521.16/x
  3. Step 3: Cross multiply
    3,166.67x = 4,743.93 × 1,521.16
  4. Step 4: Simplify right side
    3,166.67x = 7,216,276.56
  5. Step 5: Solve for x
    x = 7,216,276.56/3,166.67
  6. Step 6: Final answer
    x = 2,278.82

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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.