Home / 2,871.12-4,307.01-1,022.46

Finding the Fourth Proportional to 2,871.12, 4,307.01 and 1,022.46

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Solution

The fourth proportional to 2,871.12, 4,307.01 and 1,022.46 is: 1,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.12 : 4,307.01 = 1,022.46 : x
  2. Step 2: Convert to fraction form
    2,871.12/4,307.01 = 1,022.46/x
  3. Step 3: Cross multiply
    2,871.12x = 4,307.01 × 1,022.46
  4. Step 4: Simplify right side
    2,871.12x = 4,403,745.44
  5. Step 5: Solve for x
    x = 4,403,745.44/2,871.12
  6. Step 6: Final answer
    x = 1,533.81

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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.