Home / 3,094.65-4,642.20-1,245.78

Finding the Fourth Proportional to 3,094.65, 4,642.20 and 1,245.78

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Solution

The fourth proportional to 3,094.65, 4,642.20 and 1,245.78 is: 1,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,094.65 : 4,642.20 = 1,245.78 : x
  2. Step 2: Convert to fraction form
    3,094.65/4,642.20 = 1,245.78/x
  3. Step 3: Cross multiply
    3,094.65x = 4,642.20 × 1,245.78
  4. Step 4: Simplify right side
    3,094.65x = 5,783,159.92
  5. Step 5: Solve for x
    x = 5,783,159.92/3,094.65
  6. Step 6: Final answer
    x = 1,868.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.