Home / 4,147.80-5,724.09-2,259.45

Finding the Fourth Proportional to 4,147.80, 5,724.09 and 2,259.45

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Solution

The fourth proportional to 4,147.80, 5,724.09 and 2,259.45 is: 3,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.80 : 5,724.09 = 2,259.45 : x
  2. Step 2: Convert to fraction form
    4,147.80/5,724.09 = 2,259.45/x
  3. Step 3: Cross multiply
    4,147.80x = 5,724.09 × 2,259.45
  4. Step 4: Simplify right side
    4,147.80x = 12,933,295.15
  5. Step 5: Solve for x
    x = 12,933,295.15/4,147.80
  6. Step 6: Final answer
    x = 3,118.11

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1.5x scale

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.