Home / 1,801.26-2,486.25-1,277.46

Finding the Fourth Proportional to 1,801.26, 2,486.25 and 1,277.46

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Solution

The fourth proportional to 1,801.26, 2,486.25 and 1,277.46 is: 1,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.26 : 2,486.25 = 1,277.46 : x
  2. Step 2: Convert to fraction form
    1,801.26/2,486.25 = 1,277.46/x
  3. Step 3: Cross multiply
    1,801.26x = 2,486.25 × 1,277.46
  4. Step 4: Simplify right side
    1,801.26x = 3,176,084.93
  5. Step 5: Solve for x
    x = 3,176,084.93/1,801.26
  6. Step 6: Final answer
    x = 1,763.26

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Double scale
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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.