Home / 2,906.06-4,359.09-714.80

Finding the Fourth Proportional to 2,906.06, 4,359.09 and 714.80

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Solution

The fourth proportional to 2,906.06, 4,359.09 and 714.80 is: 1,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.06 : 4,359.09 = 714.80 : x
  2. Step 2: Convert to fraction form
    2,906.06/4,359.09 = 714.80/x
  3. Step 3: Cross multiply
    2,906.06x = 4,359.09 × 714.80
  4. Step 4: Simplify right side
    2,906.06x = 3,115,877.53
  5. Step 5: Solve for x
    x = 3,115,877.53/2,906.06
  6. Step 6: Final answer
    x = 1,072.20

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1.5x scale

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.