Home / 2,531.74-3,492.99-1,998.94

Finding the Fourth Proportional to 2,531.74, 3,492.99 and 1,998.94

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Solution

The fourth proportional to 2,531.74, 3,492.99 and 1,998.94 is: 2,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.74 : 3,492.99 = 1,998.94 : x
  2. Step 2: Convert to fraction form
    2,531.74/3,492.99 = 1,998.94/x
  3. Step 3: Cross multiply
    2,531.74x = 3,492.99 × 1,998.94
  4. Step 4: Simplify right side
    2,531.74x = 6,982,277.43
  5. Step 5: Solve for x
    x = 6,982,277.43/2,531.74
  6. Step 6: Final answer
    x = 2,757.90

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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.