Home / 2,765.18-4,144.64-1,202.84

Finding the Fourth Proportional to 2,765.18, 4,144.64 and 1,202.84

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Solution

The fourth proportional to 2,765.18, 4,144.64 and 1,202.84 is: 1,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.18 : 4,144.64 = 1,202.84 : x
  2. Step 2: Convert to fraction form
    2,765.18/4,144.64 = 1,202.84/x
  3. Step 3: Cross multiply
    2,765.18x = 4,144.64 × 1,202.84
  4. Step 4: Simplify right side
    2,765.18x = 4,985,312.04
  5. Step 5: Solve for x
    x = 4,985,312.04/2,765.18
  6. Step 6: Final answer
    x = 1,802.89

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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.