Home / 2,203.54-3,037.71-1,678.66

Finding the Fourth Proportional to 2,203.54, 3,037.71 and 1,678.66

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Solution

The fourth proportional to 2,203.54, 3,037.71 and 1,678.66 is: 2,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.54 : 3,037.71 = 1,678.66 : x
  2. Step 2: Convert to fraction form
    2,203.54/3,037.71 = 1,678.66/x
  3. Step 3: Cross multiply
    2,203.54x = 3,037.71 × 1,678.66
  4. Step 4: Simplify right side
    2,203.54x = 5,099,282.27
  5. Step 5: Solve for x
    x = 5,099,282.27/2,203.54
  6. Step 6: Final answer
    x = 2,314.13

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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.