Home / 2,219.06-3,330.63-1,124.19

Finding the Fourth Proportional to 2,219.06, 3,330.63 and 1,124.19

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Solution

The fourth proportional to 2,219.06, 3,330.63 and 1,124.19 is: 1,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.06 : 3,330.63 = 1,124.19 : x
  2. Step 2: Convert to fraction form
    2,219.06/3,330.63 = 1,124.19/x
  3. Step 3: Cross multiply
    2,219.06x = 3,330.63 × 1,124.19
  4. Step 4: Simplify right side
    2,219.06x = 3,744,260.94
  5. Step 5: Solve for x
    x = 3,744,260.94/2,219.06
  6. Step 6: Final answer
    x = 1,687.32

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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.