Home / 3,247.12-4,866.54-1,581.65

Finding the Fourth Proportional to 3,247.12, 4,866.54 and 1,581.65

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Solution

The fourth proportional to 3,247.12, 4,866.54 and 1,581.65 is: 2,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.12 : 4,866.54 = 1,581.65 : x
  2. Step 2: Convert to fraction form
    3,247.12/4,866.54 = 1,581.65/x
  3. Step 3: Cross multiply
    3,247.12x = 4,866.54 × 1,581.65
  4. Step 4: Simplify right side
    3,247.12x = 7,697,138.66
  5. Step 5: Solve for x
    x = 7,697,138.66/3,247.12
  6. Step 6: Final answer
    x = 2,370.45

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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.