Home / 3,445.60-4,755.39-1,954.06

Finding the Fourth Proportional to 3,445.60, 4,755.39 and 1,954.06

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Solution

The fourth proportional to 3,445.60, 4,755.39 and 1,954.06 is: 2,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.60 : 4,755.39 = 1,954.06 : x
  2. Step 2: Convert to fraction form
    3,445.60/4,755.39 = 1,954.06/x
  3. Step 3: Cross multiply
    3,445.60x = 4,755.39 × 1,954.06
  4. Step 4: Simplify right side
    3,445.60x = 9,292,317.38
  5. Step 5: Solve for x
    x = 9,292,317.38/3,445.60
  6. Step 6: Final answer
    x = 2,696.86

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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.