Home / 2,807.46-4,211.19-1,162.91

Finding the Fourth Proportional to 2,807.46, 4,211.19 and 1,162.91

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Solution

The fourth proportional to 2,807.46, 4,211.19 and 1,162.91 is: 1,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.46 : 4,211.19 = 1,162.91 : x
  2. Step 2: Convert to fraction form
    2,807.46/4,211.19 = 1,162.91/x
  3. Step 3: Cross multiply
    2,807.46x = 4,211.19 × 1,162.91
  4. Step 4: Simplify right side
    2,807.46x = 4,897,221.80
  5. Step 5: Solve for x
    x = 4,897,221.80/2,807.46
  6. Step 6: Final answer
    x = 1,744.36

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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.