Home / 2,212.47-3,316.70-896.02

Finding the Fourth Proportional to 2,212.47, 3,316.70 and 896.02

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Solution

The fourth proportional to 2,212.47, 3,316.70 and 896.02 is: 1,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.47 : 3,316.70 = 896.02 : x
  2. Step 2: Convert to fraction form
    2,212.47/3,316.70 = 896.02/x
  3. Step 3: Cross multiply
    2,212.47x = 3,316.70 × 896.02
  4. Step 4: Simplify right side
    2,212.47x = 2,971,823.48
  5. Step 5: Solve for x
    x = 2,971,823.48/2,212.47
  6. Step 6: Final answer
    x = 1,343.22

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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.