Home / 3,948.39-5,925.65-1,485.45

Finding the Fourth Proportional to 3,948.39, 5,925.65 and 1,485.45

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Solution

The fourth proportional to 3,948.39, 5,925.65 and 1,485.45 is: 2,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.39 : 5,925.65 = 1,485.45 : x
  2. Step 2: Convert to fraction form
    3,948.39/5,925.65 = 1,485.45/x
  3. Step 3: Cross multiply
    3,948.39x = 5,925.65 × 1,485.45
  4. Step 4: Simplify right side
    3,948.39x = 8,802,249.37
  5. Step 5: Solve for x
    x = 8,802,249.37/3,948.39
  6. Step 6: Final answer
    x = 2,229.33

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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.