Home / 1,924.97-2,656.58-1,085.60

Finding the Fourth Proportional to 1,924.97, 2,656.58 and 1,085.60

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Solution

The fourth proportional to 1,924.97, 2,656.58 and 1,085.60 is: 1,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.97 : 2,656.58 = 1,085.60 : x
  2. Step 2: Convert to fraction form
    1,924.97/2,656.58 = 1,085.60/x
  3. Step 3: Cross multiply
    1,924.97x = 2,656.58 × 1,085.60
  4. Step 4: Simplify right side
    1,924.97x = 2,883,983.25
  5. Step 5: Solve for x
    x = 2,883,983.25/1,924.97
  6. Step 6: Final answer
    x = 1,498.20

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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.