Home / 3,341.78-5,013.14-1,393.54

Finding the Fourth Proportional to 3,341.78, 5,013.14 and 1,393.54

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Solution

The fourth proportional to 3,341.78, 5,013.14 and 1,393.54 is: 2,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.78 : 5,013.14 = 1,393.54 : x
  2. Step 2: Convert to fraction form
    3,341.78/5,013.14 = 1,393.54/x
  3. Step 3: Cross multiply
    3,341.78x = 5,013.14 × 1,393.54
  4. Step 4: Simplify right side
    3,341.78x = 6,985,979.08
  5. Step 5: Solve for x
    x = 6,985,979.08/3,341.78
  6. Step 6: Final answer
    x = 2,090.50

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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.