Home / 3,664.13-5,056.49-1,985.58

Finding the Fourth Proportional to 3,664.13, 5,056.49 and 1,985.58

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Solution

The fourth proportional to 3,664.13, 5,056.49 and 1,985.58 is: 2,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.13 : 5,056.49 = 1,985.58 : x
  2. Step 2: Convert to fraction form
    3,664.13/5,056.49 = 1,985.58/x
  3. Step 3: Cross multiply
    3,664.13x = 5,056.49 × 1,985.58
  4. Step 4: Simplify right side
    3,664.13x = 10,040,065.41
  5. Step 5: Solve for x
    x = 10,040,065.41/3,664.13
  6. Step 6: Final answer
    x = 2,740.10

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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.