Home / 3,968.14-5,475.98-2,289.53

Finding the Fourth Proportional to 3,968.14, 5,475.98 and 2,289.53

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Solution

The fourth proportional to 3,968.14, 5,475.98 and 2,289.53 is: 3,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.14 : 5,475.98 = 2,289.53 : x
  2. Step 2: Convert to fraction form
    3,968.14/5,475.98 = 2,289.53/x
  3. Step 3: Cross multiply
    3,968.14x = 5,475.98 × 2,289.53
  4. Step 4: Simplify right side
    3,968.14x = 12,537,398.83
  5. Step 5: Solve for x
    x = 12,537,398.83/3,968.14
  6. Step 6: Final answer
    x = 3,159.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.