Home / 2,092.88-2,887.44-1,306.64

Finding the Fourth Proportional to 2,092.88, 2,887.44 and 1,306.64

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Solution

The fourth proportional to 2,092.88, 2,887.44 and 1,306.64 is: 1,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.88 : 2,887.44 = 1,306.64 : x
  2. Step 2: Convert to fraction form
    2,092.88/2,887.44 = 1,306.64/x
  3. Step 3: Cross multiply
    2,092.88x = 2,887.44 × 1,306.64
  4. Step 4: Simplify right side
    2,092.88x = 3,772,844.60
  5. Step 5: Solve for x
    x = 3,772,844.60/2,092.88
  6. Step 6: Final answer
    x = 1,802.70

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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.