Home / 3,540.66-5,312.75-2,507.31

Finding the Fourth Proportional to 3,540.66, 5,312.75 and 2,507.31

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Solution

The fourth proportional to 3,540.66, 5,312.75 and 2,507.31 is: 3,762.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.66 : 5,312.75 = 2,507.31 : x
  2. Step 2: Convert to fraction form
    3,540.66/5,312.75 = 2,507.31/x
  3. Step 3: Cross multiply
    3,540.66x = 5,312.75 × 2,507.31
  4. Step 4: Simplify right side
    3,540.66x = 13,320,698.67
  5. Step 5: Solve for x
    x = 13,320,698.67/3,540.66
  6. Step 6: Final answer
    x = 3,762.21

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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.