Home / 3,355.41-5,008.57-3,111.47

Finding the Fourth Proportional to 3,355.41, 5,008.57 and 3,111.47

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Solution

The fourth proportional to 3,355.41, 5,008.57 and 3,111.47 is: 4,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.41 : 5,008.57 = 3,111.47 : x
  2. Step 2: Convert to fraction form
    3,355.41/5,008.57 = 3,111.47/x
  3. Step 3: Cross multiply
    3,355.41x = 5,008.57 × 3,111.47
  4. Step 4: Simplify right side
    3,355.41x = 15,583,990.26
  5. Step 5: Solve for x
    x = 15,583,990.26/3,355.41
  6. Step 6: Final answer
    x = 4,644.44

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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.