Home / 3,984.30-5,971.32-1,641.51

Finding the Fourth Proportional to 3,984.30, 5,971.32 and 1,641.51

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Solution

The fourth proportional to 3,984.30, 5,971.32 and 1,641.51 is: 2,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.30 : 5,971.32 = 1,641.51 : x
  2. Step 2: Convert to fraction form
    3,984.30/5,971.32 = 1,641.51/x
  3. Step 3: Cross multiply
    3,984.30x = 5,971.32 × 1,641.51
  4. Step 4: Simplify right side
    3,984.30x = 9,801,981.49
  5. Step 5: Solve for x
    x = 9,801,981.49/3,984.30
  6. Step 6: Final answer
    x = 2,460.15

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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.