Home / 3,435.83-5,148.38-2,657.75

Finding the Fourth Proportional to 3,435.83, 5,148.38 and 2,657.75

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Solution

The fourth proportional to 3,435.83, 5,148.38 and 2,657.75 is: 3,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.83 : 5,148.38 = 2,657.75 : x
  2. Step 2: Convert to fraction form
    3,435.83/5,148.38 = 2,657.75/x
  3. Step 3: Cross multiply
    3,435.83x = 5,148.38 × 2,657.75
  4. Step 4: Simplify right side
    3,435.83x = 13,683,126.46
  5. Step 5: Solve for x
    x = 13,683,126.46/3,435.83
  6. Step 6: Final answer
    x = 3,982.49

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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.