Home / 2,271.30-3,135.72-1,567.14

Finding the Fourth Proportional to 2,271.30, 3,135.72 and 1,567.14

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Solution

The fourth proportional to 2,271.30, 3,135.72 and 1,567.14 is: 2,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.30 : 3,135.72 = 1,567.14 : x
  2. Step 2: Convert to fraction form
    2,271.30/3,135.72 = 1,567.14/x
  3. Step 3: Cross multiply
    2,271.30x = 3,135.72 × 1,567.14
  4. Step 4: Simplify right side
    2,271.30x = 4,914,112.24
  5. Step 5: Solve for x
    x = 4,914,112.24/2,271.30
  6. Step 6: Final answer
    x = 2,163.57

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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.