Home / 3,488.05-5,231.49-1,148.08

Finding the Fourth Proportional to 3,488.05, 5,231.49 and 1,148.08

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Solution

The fourth proportional to 3,488.05, 5,231.49 and 1,148.08 is: 1,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.05 : 5,231.49 = 1,148.08 : x
  2. Step 2: Convert to fraction form
    3,488.05/5,231.49 = 1,148.08/x
  3. Step 3: Cross multiply
    3,488.05x = 5,231.49 × 1,148.08
  4. Step 4: Simplify right side
    3,488.05x = 6,006,155.96
  5. Step 5: Solve for x
    x = 6,006,155.96/3,488.05
  6. Step 6: Final answer
    x = 1,721.92

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1.5x scale

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.