Home / 4,178.00-5,765.40-2,289.24

Finding the Fourth Proportional to 4,178.00, 5,765.40 and 2,289.24

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Solution

The fourth proportional to 4,178.00, 5,765.40 and 2,289.24 is: 3,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.00 : 5,765.40 = 2,289.24 : x
  2. Step 2: Convert to fraction form
    4,178.00/5,765.40 = 2,289.24/x
  3. Step 3: Cross multiply
    4,178.00x = 5,765.40 × 2,289.24
  4. Step 4: Simplify right side
    4,178.00x = 13,198,384.30
  5. Step 5: Solve for x
    x = 13,198,384.30/4,178.00
  6. Step 6: Final answer
    x = 3,159.02

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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.