Home / 2,224.65-3,339.02-1,129.77

Finding the Fourth Proportional to 2,224.65, 3,339.02 and 1,129.77

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Solution

The fourth proportional to 2,224.65, 3,339.02 and 1,129.77 is: 1,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.65 : 3,339.02 = 1,129.77 : x
  2. Step 2: Convert to fraction form
    2,224.65/3,339.02 = 1,129.77/x
  3. Step 3: Cross multiply
    2,224.65x = 3,339.02 × 1,129.77
  4. Step 4: Simplify right side
    2,224.65x = 3,772,318.98
  5. Step 5: Solve for x
    x = 3,772,318.98/2,224.65
  6. Step 6: Final answer
    x = 1,695.69

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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.