Home / 3,720.24-5,567.31-3,509.76

Finding the Fourth Proportional to 3,720.24, 5,567.31 and 3,509.76

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Solution

The fourth proportional to 3,720.24, 5,567.31 and 3,509.76 is: 5,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.24 : 5,567.31 = 3,509.76 : x
  2. Step 2: Convert to fraction form
    3,720.24/5,567.31 = 3,509.76/x
  3. Step 3: Cross multiply
    3,720.24x = 5,567.31 × 3,509.76
  4. Step 4: Simplify right side
    3,720.24x = 19,539,921.95
  5. Step 5: Solve for x
    x = 19,539,921.95/3,720.24
  6. Step 6: Final answer
    x = 5,252.33

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1.5x scale

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.