Home / 3,182.86-4,770.90-1,207.58

Finding the Fourth Proportional to 3,182.86, 4,770.90 and 1,207.58

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Solution

The fourth proportional to 3,182.86, 4,770.90 and 1,207.58 is: 1,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.86 : 4,770.90 = 1,207.58 : x
  2. Step 2: Convert to fraction form
    3,182.86/4,770.90 = 1,207.58/x
  3. Step 3: Cross multiply
    3,182.86x = 4,770.90 × 1,207.58
  4. Step 4: Simplify right side
    3,182.86x = 5,761,219.57
  5. Step 5: Solve for x
    x = 5,761,219.57/3,182.86
  6. Step 6: Final answer
    x = 1,810.08

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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.