Home / 3,291.15-4,931.75-1,441.23

Finding the Fourth Proportional to 3,291.15, 4,931.75 and 1,441.23

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Solution

The fourth proportional to 3,291.15, 4,931.75 and 1,441.23 is: 2,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.15 : 4,931.75 = 1,441.23 : x
  2. Step 2: Convert to fraction form
    3,291.15/4,931.75 = 1,441.23/x
  3. Step 3: Cross multiply
    3,291.15x = 4,931.75 × 1,441.23
  4. Step 4: Simplify right side
    3,291.15x = 7,107,778.85
  5. Step 5: Solve for x
    x = 7,107,778.85/3,291.15
  6. Step 6: Final answer
    x = 2,159.66

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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.