Home / 2,845.10-3,924.78-1,664.93

Finding the Fourth Proportional to 2,845.10, 3,924.78 and 1,664.93

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Solution

The fourth proportional to 2,845.10, 3,924.78 and 1,664.93 is: 2,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.10 : 3,924.78 = 1,664.93 : x
  2. Step 2: Convert to fraction form
    2,845.10/3,924.78 = 1,664.93/x
  3. Step 3: Cross multiply
    2,845.10x = 3,924.78 × 1,664.93
  4. Step 4: Simplify right side
    2,845.10x = 6,534,483.97
  5. Step 5: Solve for x
    x = 6,534,483.97/2,845.10
  6. Step 6: Final answer
    x = 2,296.75

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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.