Home / 2,363.40-3,538.24-2,113.28

Finding the Fourth Proportional to 2,363.40, 3,538.24 and 2,113.28

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Solution

The fourth proportional to 2,363.40, 3,538.24 and 2,113.28 is: 3,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.40 : 3,538.24 = 2,113.28 : x
  2. Step 2: Convert to fraction form
    2,363.40/3,538.24 = 2,113.28/x
  3. Step 3: Cross multiply
    2,363.40x = 3,538.24 × 2,113.28
  4. Step 4: Simplify right side
    2,363.40x = 7,477,291.83
  5. Step 5: Solve for x
    x = 7,477,291.83/2,363.40
  6. Step 6: Final answer
    x = 3,163.79

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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.