Home / 4,177.85-5,765.49-2,289.47

Finding the Fourth Proportional to 4,177.85, 5,765.49 and 2,289.47

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Solution

The fourth proportional to 4,177.85, 5,765.49 and 2,289.47 is: 3,159.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.85 : 5,765.49 = 2,289.47 : x
  2. Step 2: Convert to fraction form
    4,177.85/5,765.49 = 2,289.47/x
  3. Step 3: Cross multiply
    4,177.85x = 5,765.49 × 2,289.47
  4. Step 4: Simplify right side
    4,177.85x = 13,199,887.56
  5. Step 5: Solve for x
    x = 13,199,887.56/4,177.85
  6. Step 6: Final answer
    x = 3,159.50

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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.