Home / 3,444.36-5,168.97-1,981.50

Finding the Fourth Proportional to 3,444.36, 5,168.97 and 1,981.50

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Solution

The fourth proportional to 3,444.36, 5,168.97 and 1,981.50 is: 2,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.36 : 5,168.97 = 1,981.50 : x
  2. Step 2: Convert to fraction form
    3,444.36/5,168.97 = 1,981.50/x
  3. Step 3: Cross multiply
    3,444.36x = 5,168.97 × 1,981.50
  4. Step 4: Simplify right side
    3,444.36x = 10,242,314.06
  5. Step 5: Solve for x
    x = 10,242,314.06/3,444.36
  6. Step 6: Final answer
    x = 2,973.65

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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.