Home / 3,712.48-5,537.24-3,131.32

Finding the Fourth Proportional to 3,712.48, 5,537.24 and 3,131.32

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Solution

The fourth proportional to 3,712.48, 5,537.24 and 3,131.32 is: 4,670.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.48 : 5,537.24 = 3,131.32 : x
  2. Step 2: Convert to fraction form
    3,712.48/5,537.24 = 3,131.32/x
  3. Step 3: Cross multiply
    3,712.48x = 5,537.24 × 3,131.32
  4. Step 4: Simplify right side
    3,712.48x = 17,338,870.36
  5. Step 5: Solve for x
    x = 17,338,870.36/3,712.48
  6. Step 6: Final answer
    x = 4,670.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.