Home / 2,244.24-3,366.36-782.60

Finding the Fourth Proportional to 2,244.24, 3,366.36 and 782.60

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Solution

The fourth proportional to 2,244.24, 3,366.36 and 782.60 is: 1,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.24 : 3,366.36 = 782.60 : x
  2. Step 2: Convert to fraction form
    2,244.24/3,366.36 = 782.60/x
  3. Step 3: Cross multiply
    2,244.24x = 3,366.36 × 782.60
  4. Step 4: Simplify right side
    2,244.24x = 2,634,513.34
  5. Step 5: Solve for x
    x = 2,634,513.34/2,244.24
  6. Step 6: Final answer
    x = 1,173.90

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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.