Home / 2,208.87-3,047.22-1,423.17

Finding the Fourth Proportional to 2,208.87, 3,047.22 and 1,423.17

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Solution

The fourth proportional to 2,208.87, 3,047.22 and 1,423.17 is: 1,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.87 : 3,047.22 = 1,423.17 : x
  2. Step 2: Convert to fraction form
    2,208.87/3,047.22 = 1,423.17/x
  3. Step 3: Cross multiply
    2,208.87x = 3,047.22 × 1,423.17
  4. Step 4: Simplify right side
    2,208.87x = 4,336,712.09
  5. Step 5: Solve for x
    x = 4,336,712.09/2,208.87
  6. Step 6: Final answer
    x = 1,963.32

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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.