Home / 1,949.04-2,915.16-1,156.52

Finding the Fourth Proportional to 1,949.04, 2,915.16 and 1,156.52

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Solution

The fourth proportional to 1,949.04, 2,915.16 and 1,156.52 is: 1,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.04 : 2,915.16 = 1,156.52 : x
  2. Step 2: Convert to fraction form
    1,949.04/2,915.16 = 1,156.52/x
  3. Step 3: Cross multiply
    1,949.04x = 2,915.16 × 1,156.52
  4. Step 4: Simplify right side
    1,949.04x = 3,371,440.84
  5. Step 5: Solve for x
    x = 3,371,440.84/1,949.04
  6. Step 6: Final answer
    x = 1,729.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.