Home / 4,178.19-5,765.90-2,499.67

Finding the Fourth Proportional to 4,178.19, 5,765.90 and 2,499.67

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Solution

The fourth proportional to 4,178.19, 5,765.90 and 2,499.67 is: 3,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.19 : 5,765.90 = 2,499.67 : x
  2. Step 2: Convert to fraction form
    4,178.19/5,765.90 = 2,499.67/x
  3. Step 3: Cross multiply
    4,178.19x = 5,765.90 × 2,499.67
  4. Step 4: Simplify right side
    4,178.19x = 14,412,818.42
  5. Step 5: Solve for x
    x = 14,412,818.42/4,178.19
  6. Step 6: Final answer
    x = 3,449.54

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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.