Home / 2,002.44-2,762.40-1,215.96

Finding the Fourth Proportional to 2,002.44, 2,762.40 and 1,215.96

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Solution

The fourth proportional to 2,002.44, 2,762.40 and 1,215.96 is: 1,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.44 : 2,762.40 = 1,215.96 : x
  2. Step 2: Convert to fraction form
    2,002.44/2,762.40 = 1,215.96/x
  3. Step 3: Cross multiply
    2,002.44x = 2,762.40 × 1,215.96
  4. Step 4: Simplify right side
    2,002.44x = 3,358,967.90
  5. Step 5: Solve for x
    x = 3,358,967.90/2,002.44
  6. Step 6: Final answer
    x = 1,677.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.