Home / 3,073.57-4,240.89-1,954.10

Finding the Fourth Proportional to 3,073.57, 4,240.89 and 1,954.10

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Solution

The fourth proportional to 3,073.57, 4,240.89 and 1,954.10 is: 2,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.57 : 4,240.89 = 1,954.10 : x
  2. Step 2: Convert to fraction form
    3,073.57/4,240.89 = 1,954.10/x
  3. Step 3: Cross multiply
    3,073.57x = 4,240.89 × 1,954.10
  4. Step 4: Simplify right side
    3,073.57x = 8,287,123.15
  5. Step 5: Solve for x
    x = 8,287,123.15/3,073.57
  6. Step 6: Final answer
    x = 2,696.25

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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.