Home / 3,488.36-5,231.22-1,407.83

Finding the Fourth Proportional to 3,488.36, 5,231.22 and 1,407.83

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Solution

The fourth proportional to 3,488.36, 5,231.22 and 1,407.83 is: 2,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.36 : 5,231.22 = 1,407.83 : x
  2. Step 2: Convert to fraction form
    3,488.36/5,231.22 = 1,407.83/x
  3. Step 3: Cross multiply
    3,488.36x = 5,231.22 × 1,407.83
  4. Step 4: Simplify right side
    3,488.36x = 7,364,668.45
  5. Step 5: Solve for x
    x = 7,364,668.45/3,488.36
  6. Step 6: Final answer
    x = 2,111.21

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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.