Home / 4,167.12-5,750.70-2,278.72

Finding the Fourth Proportional to 4,167.12, 5,750.70 and 2,278.72

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Solution

The fourth proportional to 4,167.12, 5,750.70 and 2,278.72 is: 3,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.12 : 5,750.70 = 2,278.72 : x
  2. Step 2: Convert to fraction form
    4,167.12/5,750.70 = 2,278.72/x
  3. Step 3: Cross multiply
    4,167.12x = 5,750.70 × 2,278.72
  4. Step 4: Simplify right side
    4,167.12x = 13,104,235.10
  5. Step 5: Solve for x
    x = 13,104,235.10/4,167.12
  6. Step 6: Final answer
    x = 3,144.67

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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.