Home / 2,284.93-3,153.12-1,276.69

Finding the Fourth Proportional to 2,284.93, 3,153.12 and 1,276.69

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Solution

The fourth proportional to 2,284.93, 3,153.12 and 1,276.69 is: 1,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.93 : 3,153.12 = 1,276.69 : x
  2. Step 2: Convert to fraction form
    2,284.93/3,153.12 = 1,276.69/x
  3. Step 3: Cross multiply
    2,284.93x = 3,153.12 × 1,276.69
  4. Step 4: Simplify right side
    2,284.93x = 4,025,534.62
  5. Step 5: Solve for x
    x = 4,025,534.62/2,284.93
  6. Step 6: Final answer
    x = 1,761.78

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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.