Home / 2,492.82-3,440.09-1,373.76

Finding the Fourth Proportional to 2,492.82, 3,440.09 and 1,373.76

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Solution

The fourth proportional to 2,492.82, 3,440.09 and 1,373.76 is: 1,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.82 : 3,440.09 = 1,373.76 : x
  2. Step 2: Convert to fraction form
    2,492.82/3,440.09 = 1,373.76/x
  3. Step 3: Cross multiply
    2,492.82x = 3,440.09 × 1,373.76
  4. Step 4: Simplify right side
    2,492.82x = 4,725,851.17
  5. Step 5: Solve for x
    x = 4,725,851.17/2,492.82
  6. Step 6: Final answer
    x = 1,895.79

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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.