Home / 3,445.89-4,755.81-1,954.18

Finding the Fourth Proportional to 3,445.89, 4,755.81 and 1,954.18

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Solution

The fourth proportional to 3,445.89, 4,755.81 and 1,954.18 is: 2,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.89 : 4,755.81 = 1,954.18 : x
  2. Step 2: Convert to fraction form
    3,445.89/4,755.81 = 1,954.18/x
  3. Step 3: Cross multiply
    3,445.89x = 4,755.81 × 1,954.18
  4. Step 4: Simplify right side
    3,445.89x = 9,293,695.31
  5. Step 5: Solve for x
    x = 9,293,695.31/3,445.89
  6. Step 6: Final answer
    x = 2,697.04

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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.