Home / 1,801.77-2,696.32-1,308.75

Finding the Fourth Proportional to 1,801.77, 2,696.32 and 1,308.75

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Solution

The fourth proportional to 1,801.77, 2,696.32 and 1,308.75 is: 1,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.77 : 2,696.32 = 1,308.75 : x
  2. Step 2: Convert to fraction form
    1,801.77/2,696.32 = 1,308.75/x
  3. Step 3: Cross multiply
    1,801.77x = 2,696.32 × 1,308.75
  4. Step 4: Simplify right side
    1,801.77x = 3,528,808.80
  5. Step 5: Solve for x
    x = 3,528,808.80/1,801.77
  6. Step 6: Final answer
    x = 1,958.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.