Home / 4,178.01-5,765.69-2,289.76

Finding the Fourth Proportional to 4,178.01, 5,765.69 and 2,289.76

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Solution

The fourth proportional to 4,178.01, 5,765.69 and 2,289.76 is: 3,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.01 : 5,765.69 = 2,289.76 : x
  2. Step 2: Convert to fraction form
    4,178.01/5,765.69 = 2,289.76/x
  3. Step 3: Cross multiply
    4,178.01x = 5,765.69 × 2,289.76
  4. Step 4: Simplify right side
    4,178.01x = 13,202,054.75
  5. Step 5: Solve for x
    x = 13,202,054.75/4,178.01
  6. Step 6: Final answer
    x = 3,159.89

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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.