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Finding the Fourth Proportional to 2,518.22, 3,777.32 and 874.76

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Solution

The fourth proportional to 2,518.22, 3,777.32 and 874.76 is: 1,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.22 : 3,777.32 = 874.76 : x
  2. Step 2: Convert to fraction form
    2,518.22/3,777.32 = 874.76/x
  3. Step 3: Cross multiply
    2,518.22x = 3,777.32 × 874.76
  4. Step 4: Simplify right side
    2,518.22x = 3,304,225.18
  5. Step 5: Solve for x
    x = 3,304,225.18/2,518.22
  6. Step 6: Final answer
    x = 1,312.13

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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.