Home / 1,477.49-2,226.39-1,223.21

Finding the Fourth Proportional to 1,477.49, 2,226.39 and 1,223.21

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Solution

The fourth proportional to 1,477.49, 2,226.39 and 1,223.21 is: 1,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.49 : 2,226.39 = 1,223.21 : x
  2. Step 2: Convert to fraction form
    1,477.49/2,226.39 = 1,223.21/x
  3. Step 3: Cross multiply
    1,477.49x = 2,226.39 × 1,223.21
  4. Step 4: Simplify right side
    1,477.49x = 2,723,331.38
  5. Step 5: Solve for x
    x = 2,723,331.38/1,477.49
  6. Step 6: Final answer
    x = 1,843.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.