Home / 2,996.25-4,492.44-1,240.78

Finding the Fourth Proportional to 2,996.25, 4,492.44 and 1,240.78

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Solution

The fourth proportional to 2,996.25, 4,492.44 and 1,240.78 is: 1,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.25 : 4,492.44 = 1,240.78 : x
  2. Step 2: Convert to fraction form
    2,996.25/4,492.44 = 1,240.78/x
  3. Step 3: Cross multiply
    2,996.25x = 4,492.44 × 1,240.78
  4. Step 4: Simplify right side
    2,996.25x = 5,574,129.70
  5. Step 5: Solve for x
    x = 5,574,129.70/2,996.25
  6. Step 6: Final answer
    x = 1,860.37

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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.