Home / 4,177.95-5,765.56-2,289.65

Finding the Fourth Proportional to 4,177.95, 5,765.56 and 2,289.65

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Solution

The fourth proportional to 4,177.95, 5,765.56 and 2,289.65 is: 3,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.95 : 5,765.56 = 2,289.65 : x
  2. Step 2: Convert to fraction form
    4,177.95/5,765.56 = 2,289.65/x
  3. Step 3: Cross multiply
    4,177.95x = 5,765.56 × 2,289.65
  4. Step 4: Simplify right side
    4,177.95x = 13,201,114.45
  5. Step 5: Solve for x
    x = 13,201,114.45/4,177.95
  6. Step 6: Final answer
    x = 3,159.71

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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.