Home / 2,150.18-3,225.28-611.18

Finding the Fourth Proportional to 2,150.18, 3,225.28 and 611.18

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Solution

The fourth proportional to 2,150.18, 3,225.28 and 611.18 is: 916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.18 : 3,225.28 = 611.18 : x
  2. Step 2: Convert to fraction form
    2,150.18/3,225.28 = 611.18/x
  3. Step 3: Cross multiply
    2,150.18x = 3,225.28 × 611.18
  4. Step 4: Simplify right side
    2,150.18x = 1,971,226.63
  5. Step 5: Solve for x
    x = 1,971,226.63/2,150.18
  6. Step 6: Final answer
    x = 916.77

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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.