Home / 2,032.08-2,803.24-1,284.78

Finding the Fourth Proportional to 2,032.08, 2,803.24 and 1,284.78

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Solution

The fourth proportional to 2,032.08, 2,803.24 and 1,284.78 is: 1,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.08 : 2,803.24 = 1,284.78 : x
  2. Step 2: Convert to fraction form
    2,032.08/2,803.24 = 1,284.78/x
  3. Step 3: Cross multiply
    2,032.08x = 2,803.24 × 1,284.78
  4. Step 4: Simplify right side
    2,032.08x = 3,601,546.69
  5. Step 5: Solve for x
    x = 3,601,546.69/2,032.08
  6. Step 6: Final answer
    x = 1,772.34

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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.