Home / 3,976.75-5,970.99-2,225.20

Finding the Fourth Proportional to 3,976.75, 5,970.99 and 2,225.20

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Solution

The fourth proportional to 3,976.75, 5,970.99 and 2,225.20 is: 3,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.75 : 5,970.99 = 2,225.20 : x
  2. Step 2: Convert to fraction form
    3,976.75/5,970.99 = 2,225.20/x
  3. Step 3: Cross multiply
    3,976.75x = 5,970.99 × 2,225.20
  4. Step 4: Simplify right side
    3,976.75x = 13,286,628.51
  5. Step 5: Solve for x
    x = 13,286,628.51/3,976.75
  6. Step 6: Final answer
    x = 3,341.08

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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.