Home / 3,432.48-5,148.66-835.40

Finding the Fourth Proportional to 3,432.48, 5,148.66 and 835.40

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Solution

The fourth proportional to 3,432.48, 5,148.66 and 835.40 is: 1,253.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.48 : 5,148.66 = 835.40 : x
  2. Step 2: Convert to fraction form
    3,432.48/5,148.66 = 835.40/x
  3. Step 3: Cross multiply
    3,432.48x = 5,148.66 × 835.40
  4. Step 4: Simplify right side
    3,432.48x = 4,301,190.56
  5. Step 5: Solve for x
    x = 4,301,190.56/3,432.48
  6. Step 6: Final answer
    x = 1,253.09

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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.