Home / 2,829.24-4,245.03-1,247.13

Finding the Fourth Proportional to 2,829.24, 4,245.03 and 1,247.13

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Solution

The fourth proportional to 2,829.24, 4,245.03 and 1,247.13 is: 1,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.24 : 4,245.03 = 1,247.13 : x
  2. Step 2: Convert to fraction form
    2,829.24/4,245.03 = 1,247.13/x
  3. Step 3: Cross multiply
    2,829.24x = 4,245.03 × 1,247.13
  4. Step 4: Simplify right side
    2,829.24x = 5,294,104.26
  5. Step 5: Solve for x
    x = 5,294,104.26/2,829.24
  6. Step 6: Final answer
    x = 1,871.21

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1.5x scale

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.