Home / 3,211.13-4,818.72-1,263.08

Finding the Fourth Proportional to 3,211.13, 4,818.72 and 1,263.08

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Solution

The fourth proportional to 3,211.13, 4,818.72 and 1,263.08 is: 1,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.13 : 4,818.72 = 1,263.08 : x
  2. Step 2: Convert to fraction form
    3,211.13/4,818.72 = 1,263.08/x
  3. Step 3: Cross multiply
    3,211.13x = 4,818.72 × 1,263.08
  4. Step 4: Simplify right side
    3,211.13x = 6,086,445.64
  5. Step 5: Solve for x
    x = 6,086,445.64/3,211.13
  6. Step 6: Final answer
    x = 1,895.42

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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.