Home / 3,980.07-5,970.15-2,224.05

Finding the Fourth Proportional to 3,980.07, 5,970.15 and 2,224.05

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Solution

The fourth proportional to 3,980.07, 5,970.15 and 2,224.05 is: 3,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.07 : 5,970.15 = 2,224.05 : x
  2. Step 2: Convert to fraction form
    3,980.07/5,970.15 = 2,224.05/x
  3. Step 3: Cross multiply
    3,980.07x = 5,970.15 × 2,224.05
  4. Step 4: Simplify right side
    3,980.07x = 13,277,912.11
  5. Step 5: Solve for x
    x = 13,277,912.11/3,980.07
  6. Step 6: Final answer
    x = 3,336.10

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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.