Home / 2,785.47-4,179.06-1,119.59

Finding the Fourth Proportional to 2,785.47, 4,179.06 and 1,119.59

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Solution

The fourth proportional to 2,785.47, 4,179.06 and 1,119.59 is: 1,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.47 : 4,179.06 = 1,119.59 : x
  2. Step 2: Convert to fraction form
    2,785.47/4,179.06 = 1,119.59/x
  3. Step 3: Cross multiply
    2,785.47x = 4,179.06 × 1,119.59
  4. Step 4: Simplify right side
    2,785.47x = 4,678,833.79
  5. Step 5: Solve for x
    x = 4,678,833.79/2,785.47
  6. Step 6: Final answer
    x = 1,679.73

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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.