Home / 2,092.64-2,887.68-1,148.28

Finding the Fourth Proportional to 2,092.64, 2,887.68 and 1,148.28

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Solution

The fourth proportional to 2,092.64, 2,887.68 and 1,148.28 is: 1,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.64 : 2,887.68 = 1,148.28 : x
  2. Step 2: Convert to fraction form
    2,092.64/2,887.68 = 1,148.28/x
  3. Step 3: Cross multiply
    2,092.64x = 2,887.68 × 1,148.28
  4. Step 4: Simplify right side
    2,092.64x = 3,315,865.19
  5. Step 5: Solve for x
    x = 3,315,865.19/2,092.64
  6. Step 6: Final answer
    x = 1,584.54

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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.