Home / 3,285.79-4,929-1,094.68

Finding the Fourth Proportional to 3,285.79, 4,929 and 1,094.68

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Solution

The fourth proportional to 3,285.79, 4,929 and 1,094.68 is: 1,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.79 : 4,929 = 1,094.68 : x
  2. Step 2: Convert to fraction form
    3,285.79/4,929 = 1,094.68/x
  3. Step 3: Cross multiply
    3,285.79x = 4,929 × 1,094.68
  4. Step 4: Simplify right side
    3,285.79x = 5,395,677.72
  5. Step 5: Solve for x
    x = 5,395,677.72/3,285.79
  6. Step 6: Final answer
    x = 1,642.12

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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.