Home / 3,948.35-5,921.72-1,483.12

Finding the Fourth Proportional to 3,948.35, 5,921.72 and 1,483.12

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Solution

The fourth proportional to 3,948.35, 5,921.72 and 1,483.12 is: 2,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.35 : 5,921.72 = 1,483.12 : x
  2. Step 2: Convert to fraction form
    3,948.35/5,921.72 = 1,483.12/x
  3. Step 3: Cross multiply
    3,948.35x = 5,921.72 × 1,483.12
  4. Step 4: Simplify right side
    3,948.35x = 8,782,621.37
  5. Step 5: Solve for x
    x = 8,782,621.37/3,948.35
  6. Step 6: Final answer
    x = 2,224.38

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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.