Home / 3,639.18-5,458.81-2,341.56

Finding the Fourth Proportional to 3,639.18, 5,458.81 and 2,341.56

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Solution

The fourth proportional to 3,639.18, 5,458.81 and 2,341.56 is: 3,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.18 : 5,458.81 = 2,341.56 : x
  2. Step 2: Convert to fraction form
    3,639.18/5,458.81 = 2,341.56/x
  3. Step 3: Cross multiply
    3,639.18x = 5,458.81 × 2,341.56
  4. Step 4: Simplify right side
    3,639.18x = 12,782,131.14
  5. Step 5: Solve for x
    x = 12,782,131.14/3,639.18
  6. Step 6: Final answer
    x = 3,512.37

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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.