Home / 3,948.12-5,924.52-1,639.62

Finding the Fourth Proportional to 3,948.12, 5,924.52 and 1,639.62

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Solution

The fourth proportional to 3,948.12, 5,924.52 and 1,639.62 is: 2,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.12 : 5,924.52 = 1,639.62 : x
  2. Step 2: Convert to fraction form
    3,948.12/5,924.52 = 1,639.62/x
  3. Step 3: Cross multiply
    3,948.12x = 5,924.52 × 1,639.62
  4. Step 4: Simplify right side
    3,948.12x = 9,713,961.48
  5. Step 5: Solve for x
    x = 9,713,961.48/3,948.12
  6. Step 6: Final answer
    x = 2,460.40

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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.