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Finding the Fourth Proportional to 1,801.36, 2,486.02 and 1,015.55

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Solution

The fourth proportional to 1,801.36, 2,486.02 and 1,015.55 is: 1,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.36 : 2,486.02 = 1,015.55 : x
  2. Step 2: Convert to fraction form
    1,801.36/2,486.02 = 1,015.55/x
  3. Step 3: Cross multiply
    1,801.36x = 2,486.02 × 1,015.55
  4. Step 4: Simplify right side
    1,801.36x = 2,524,665.18
  5. Step 5: Solve for x
    x = 2,524,665.18/1,801.36
  6. Step 6: Final answer
    x = 1,401.54

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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.