Home / 3,738.20-5,604.40-1,888.36

Finding the Fourth Proportional to 3,738.20, 5,604.40 and 1,888.36

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Solution

The fourth proportional to 3,738.20, 5,604.40 and 1,888.36 is: 2,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.20 : 5,604.40 = 1,888.36 : x
  2. Step 2: Convert to fraction form
    3,738.20/5,604.40 = 1,888.36/x
  3. Step 3: Cross multiply
    3,738.20x = 5,604.40 × 1,888.36
  4. Step 4: Simplify right side
    3,738.20x = 10,583,124.78
  5. Step 5: Solve for x
    x = 10,583,124.78/3,738.20
  6. Step 6: Final answer
    x = 2,831.08

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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.