Home / 2,522.19-3,478.80-1,945.16

Finding the Fourth Proportional to 2,522.19, 3,478.80 and 1,945.16

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Solution

The fourth proportional to 2,522.19, 3,478.80 and 1,945.16 is: 2,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.19 : 3,478.80 = 1,945.16 : x
  2. Step 2: Convert to fraction form
    2,522.19/3,478.80 = 1,945.16/x
  3. Step 3: Cross multiply
    2,522.19x = 3,478.80 × 1,945.16
  4. Step 4: Simplify right side
    2,522.19x = 6,766,805.21
  5. Step 5: Solve for x
    x = 6,766,805.21/2,522.19
  6. Step 6: Final answer
    x = 2,682.91

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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.