Home / 2,551.60-3,522.90-1,961.08

Finding the Fourth Proportional to 2,551.60, 3,522.90 and 1,961.08

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Solution

The fourth proportional to 2,551.60, 3,522.90 and 1,961.08 is: 2,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.60 : 3,522.90 = 1,961.08 : x
  2. Step 2: Convert to fraction form
    2,551.60/3,522.90 = 1,961.08/x
  3. Step 3: Cross multiply
    2,551.60x = 3,522.90 × 1,961.08
  4. Step 4: Simplify right side
    2,551.60x = 6,908,688.73
  5. Step 5: Solve for x
    x = 6,908,688.73/2,551.60
  6. Step 6: Final answer
    x = 2,707.59

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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.