Home / 2,150.60-3,225.10-611.08

Finding the Fourth Proportional to 2,150.60, 3,225.10 and 611.08

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Solution

The fourth proportional to 2,150.60, 3,225.10 and 611.08 is: 916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.60 : 3,225.10 = 611.08 : x
  2. Step 2: Convert to fraction form
    2,150.60/3,225.10 = 611.08/x
  3. Step 3: Cross multiply
    2,150.60x = 3,225.10 × 611.08
  4. Step 4: Simplify right side
    2,150.60x = 1,970,794.11
  5. Step 5: Solve for x
    x = 1,970,794.11/2,150.60
  6. Step 6: Final answer
    x = 916.39

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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.