Home / 2,664.18-3,679.86-1,881.72

Finding the Fourth Proportional to 2,664.18, 3,679.86 and 1,881.72

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Solution

The fourth proportional to 2,664.18, 3,679.86 and 1,881.72 is: 2,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.18 : 3,679.86 = 1,881.72 : x
  2. Step 2: Convert to fraction form
    2,664.18/3,679.86 = 1,881.72/x
  3. Step 3: Cross multiply
    2,664.18x = 3,679.86 × 1,881.72
  4. Step 4: Simplify right side
    2,664.18x = 6,924,466.16
  5. Step 5: Solve for x
    x = 6,924,466.16/2,664.18
  6. Step 6: Final answer
    x = 2,599.10

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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.