Home / 3,948.45-5,923.58-2,101.34

Finding the Fourth Proportional to 3,948.45, 5,923.58 and 2,101.34

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Solution

The fourth proportional to 3,948.45, 5,923.58 and 2,101.34 is: 3,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.45 : 5,923.58 = 2,101.34 : x
  2. Step 2: Convert to fraction form
    3,948.45/5,923.58 = 2,101.34/x
  3. Step 3: Cross multiply
    3,948.45x = 5,923.58 × 2,101.34
  4. Step 4: Simplify right side
    3,948.45x = 12,447,471.72
  5. Step 5: Solve for x
    x = 12,447,471.72/3,948.45
  6. Step 6: Final answer
    x = 3,152.50

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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.