Home / 2,353.20-3,247.96-1,567.28

Finding the Fourth Proportional to 2,353.20, 3,247.96 and 1,567.28

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Solution

The fourth proportional to 2,353.20, 3,247.96 and 1,567.28 is: 2,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.20 : 3,247.96 = 1,567.28 : x
  2. Step 2: Convert to fraction form
    2,353.20/3,247.96 = 1,567.28/x
  3. Step 3: Cross multiply
    2,353.20x = 3,247.96 × 1,567.28
  4. Step 4: Simplify right side
    2,353.20x = 5,090,462.75
  5. Step 5: Solve for x
    x = 5,090,462.75/2,353.20
  6. Step 6: Final answer
    x = 2,163.21

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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.