Home / 2,219.56-3,327.90-1,124.44

Finding the Fourth Proportional to 2,219.56, 3,327.90 and 1,124.44

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Solution

The fourth proportional to 2,219.56, 3,327.90 and 1,124.44 is: 1,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.56 : 3,327.90 = 1,124.44 : x
  2. Step 2: Convert to fraction form
    2,219.56/3,327.90 = 1,124.44/x
  3. Step 3: Cross multiply
    2,219.56x = 3,327.90 × 1,124.44
  4. Step 4: Simplify right side
    2,219.56x = 3,742,023.88
  5. Step 5: Solve for x
    x = 3,742,023.88/2,219.56
  6. Step 6: Final answer
    x = 1,685.93

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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.