Home / 3,426.65-4,728.70-2,247.64

Finding the Fourth Proportional to 3,426.65, 4,728.70 and 2,247.64

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Solution

The fourth proportional to 3,426.65, 4,728.70 and 2,247.64 is: 3,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.65 : 4,728.70 = 2,247.64 : x
  2. Step 2: Convert to fraction form
    3,426.65/4,728.70 = 2,247.64/x
  3. Step 3: Cross multiply
    3,426.65x = 4,728.70 × 2,247.64
  4. Step 4: Simplify right side
    3,426.65x = 10,628,415.27
  5. Step 5: Solve for x
    x = 10,628,415.27/3,426.65
  6. Step 6: Final answer
    x = 3,101.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.