Home / 2,219.59-3,329.39-1,124.27

Finding the Fourth Proportional to 2,219.59, 3,329.39 and 1,124.27

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Solution

The fourth proportional to 2,219.59, 3,329.39 and 1,124.27 is: 1,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.59 : 3,329.39 = 1,124.27 : x
  2. Step 2: Convert to fraction form
    2,219.59/3,329.39 = 1,124.27/x
  3. Step 3: Cross multiply
    2,219.59x = 3,329.39 × 1,124.27
  4. Step 4: Simplify right side
    2,219.59x = 3,743,133.30
  5. Step 5: Solve for x
    x = 3,743,133.30/2,219.59
  6. Step 6: Final answer
    x = 1,686.41

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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.