Home / 3,356.04-4,628.16-2,797.20

Finding the Fourth Proportional to 3,356.04, 4,628.16 and 2,797.20

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Solution

The fourth proportional to 3,356.04, 4,628.16 and 2,797.20 is: 3,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.04 : 4,628.16 = 2,797.20 : x
  2. Step 2: Convert to fraction form
    3,356.04/4,628.16 = 2,797.20/x
  3. Step 3: Cross multiply
    3,356.04x = 4,628.16 × 2,797.20
  4. Step 4: Simplify right side
    3,356.04x = 12,945,889.15
  5. Step 5: Solve for x
    x = 12,945,889.15/3,356.04
  6. Step 6: Final answer
    x = 3,857.49

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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.