Home / 2,224.58-3,339.96-1,129.70

Finding the Fourth Proportional to 2,224.58, 3,339.96 and 1,129.70

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Solution

The fourth proportional to 2,224.58, 3,339.96 and 1,129.70 is: 1,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.58 : 3,339.96 = 1,129.70 : x
  2. Step 2: Convert to fraction form
    2,224.58/3,339.96 = 1,129.70/x
  3. Step 3: Cross multiply
    2,224.58x = 3,339.96 × 1,129.70
  4. Step 4: Simplify right side
    2,224.58x = 3,773,152.81
  5. Step 5: Solve for x
    x = 3,773,152.81/2,224.58
  6. Step 6: Final answer
    x = 1,696.12

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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.