Home / 3,316.34-4,578-2,239.86

Finding the Fourth Proportional to 3,316.34, 4,578 and 2,239.86

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Solution

The fourth proportional to 3,316.34, 4,578 and 2,239.86 is: 3,091.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.34 : 4,578 = 2,239.86 : x
  2. Step 2: Convert to fraction form
    3,316.34/4,578 = 2,239.86/x
  3. Step 3: Cross multiply
    3,316.34x = 4,578 × 2,239.86
  4. Step 4: Simplify right side
    3,316.34x = 10,254,079.08
  5. Step 5: Solve for x
    x = 10,254,079.08/3,316.34
  6. Step 6: Final answer
    x = 3,091.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.