Home / 3,881.79-5,823.59-1,108.50

Finding the Fourth Proportional to 3,881.79, 5,823.59 and 1,108.50

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Solution

The fourth proportional to 3,881.79, 5,823.59 and 1,108.50 is: 1,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.79 : 5,823.59 = 1,108.50 : x
  2. Step 2: Convert to fraction form
    3,881.79/5,823.59 = 1,108.50/x
  3. Step 3: Cross multiply
    3,881.79x = 5,823.59 × 1,108.50
  4. Step 4: Simplify right side
    3,881.79x = 6,455,443.97
  5. Step 5: Solve for x
    x = 6,455,443.97/3,881.79
  6. Step 6: Final answer
    x = 1,663.01

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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.