Home / 3,147.48-4,716.75-2,319.24

Finding the Fourth Proportional to 3,147.48, 4,716.75 and 2,319.24

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Solution

The fourth proportional to 3,147.48, 4,716.75 and 2,319.24 is: 3,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.48 : 4,716.75 = 2,319.24 : x
  2. Step 2: Convert to fraction form
    3,147.48/4,716.75 = 2,319.24/x
  3. Step 3: Cross multiply
    3,147.48x = 4,716.75 × 2,319.24
  4. Step 4: Simplify right side
    3,147.48x = 10,939,275.27
  5. Step 5: Solve for x
    x = 10,939,275.27/3,147.48
  6. Step 6: Final answer
    x = 3,475.57

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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.