Home / 2,292.30-3,163.53-1,284.10

Finding the Fourth Proportional to 2,292.30, 3,163.53 and 1,284.10

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Solution

The fourth proportional to 2,292.30, 3,163.53 and 1,284.10 is: 1,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.30 : 3,163.53 = 1,284.10 : x
  2. Step 2: Convert to fraction form
    2,292.30/3,163.53 = 1,284.10/x
  3. Step 3: Cross multiply
    2,292.30x = 3,163.53 × 1,284.10
  4. Step 4: Simplify right side
    2,292.30x = 4,062,288.87
  5. Step 5: Solve for x
    x = 4,062,288.87/2,292.30
  6. Step 6: Final answer
    x = 1,772.15

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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.