Home / 3,104.06-4,285.56-2,159.60

Finding the Fourth Proportional to 3,104.06, 4,285.56 and 2,159.60

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Solution

The fourth proportional to 3,104.06, 4,285.56 and 2,159.60 is: 2,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.06 : 4,285.56 = 2,159.60 : x
  2. Step 2: Convert to fraction form
    3,104.06/4,285.56 = 2,159.60/x
  3. Step 3: Cross multiply
    3,104.06x = 4,285.56 × 2,159.60
  4. Step 4: Simplify right side
    3,104.06x = 9,255,095.38
  5. Step 5: Solve for x
    x = 9,255,095.38/3,104.06
  6. Step 6: Final answer
    x = 2,981.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.