Home / 2,774.60-4,161.96-1,213.52

Finding the Fourth Proportional to 2,774.60, 4,161.96 and 1,213.52

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Solution

The fourth proportional to 2,774.60, 4,161.96 and 1,213.52 is: 1,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.60 : 4,161.96 = 1,213.52 : x
  2. Step 2: Convert to fraction form
    2,774.60/4,161.96 = 1,213.52/x
  3. Step 3: Cross multiply
    2,774.60x = 4,161.96 × 1,213.52
  4. Step 4: Simplify right side
    2,774.60x = 5,050,621.70
  5. Step 5: Solve for x
    x = 5,050,621.70/2,774.60
  6. Step 6: Final answer
    x = 1,820.31

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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.