Home / 4,147.52-5,722.44-2,378.08

Finding the Fourth Proportional to 4,147.52, 5,722.44 and 2,378.08

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Solution

The fourth proportional to 4,147.52, 5,722.44 and 2,378.08 is: 3,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.52 : 5,722.44 = 2,378.08 : x
  2. Step 2: Convert to fraction form
    4,147.52/5,722.44 = 2,378.08/x
  3. Step 3: Cross multiply
    4,147.52x = 5,722.44 × 2,378.08
  4. Step 4: Simplify right side
    4,147.52x = 13,608,420.12
  5. Step 5: Solve for x
    x = 13,608,420.12/4,147.52
  6. Step 6: Final answer
    x = 3,281.10

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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.