Home / 3,211.56-4,818.02-1,020.46

Finding the Fourth Proportional to 3,211.56, 4,818.02 and 1,020.46

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Solution

The fourth proportional to 3,211.56, 4,818.02 and 1,020.46 is: 1,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.56 : 4,818.02 = 1,020.46 : x
  2. Step 2: Convert to fraction form
    3,211.56/4,818.02 = 1,020.46/x
  3. Step 3: Cross multiply
    3,211.56x = 4,818.02 × 1,020.46
  4. Step 4: Simplify right side
    3,211.56x = 4,916,596.69
  5. Step 5: Solve for x
    x = 4,916,596.69/3,211.56
  6. Step 6: Final answer
    x = 1,530.91

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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.