Home / 3,370.38-5,055.56-1,030.39

Finding the Fourth Proportional to 3,370.38, 5,055.56 and 1,030.39

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Solution

The fourth proportional to 3,370.38, 5,055.56 and 1,030.39 is: 1,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.38 : 5,055.56 = 1,030.39 : x
  2. Step 2: Convert to fraction form
    3,370.38/5,055.56 = 1,030.39/x
  3. Step 3: Cross multiply
    3,370.38x = 5,055.56 × 1,030.39
  4. Step 4: Simplify right side
    3,370.38x = 5,209,184.54
  5. Step 5: Solve for x
    x = 5,209,184.54/3,370.38
  6. Step 6: Final answer
    x = 1,545.58

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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.