Home / 3,424.56-5,132.79-3,030.90

Finding the Fourth Proportional to 3,424.56, 5,132.79 and 3,030.90

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Solution

The fourth proportional to 3,424.56, 5,132.79 and 3,030.90 is: 4,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.56 : 5,132.79 = 3,030.90 : x
  2. Step 2: Convert to fraction form
    3,424.56/5,132.79 = 3,030.90/x
  3. Step 3: Cross multiply
    3,424.56x = 5,132.79 × 3,030.90
  4. Step 4: Simplify right side
    3,424.56x = 15,556,973.21
  5. Step 5: Solve for x
    x = 15,556,973.21/3,424.56
  6. Step 6: Final answer
    x = 4,542.77

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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.