Home / 3,143.36-4,338.24-1,901.36

Finding the Fourth Proportional to 3,143.36, 4,338.24 and 1,901.36

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Solution

The fourth proportional to 3,143.36, 4,338.24 and 1,901.36 is: 2,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.36 : 4,338.24 = 1,901.36 : x
  2. Step 2: Convert to fraction form
    3,143.36/4,338.24 = 1,901.36/x
  3. Step 3: Cross multiply
    3,143.36x = 4,338.24 × 1,901.36
  4. Step 4: Simplify right side
    3,143.36x = 8,248,556.01
  5. Step 5: Solve for x
    x = 8,248,556.01/3,143.36
  6. Step 6: Final answer
    x = 2,624.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.