Home / 3,661.40-5,490.08-2,493.01

Finding the Fourth Proportional to 3,661.40, 5,490.08 and 2,493.01

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Solution

The fourth proportional to 3,661.40, 5,490.08 and 2,493.01 is: 3,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.40 : 5,490.08 = 2,493.01 : x
  2. Step 2: Convert to fraction form
    3,661.40/5,490.08 = 2,493.01/x
  3. Step 3: Cross multiply
    3,661.40x = 5,490.08 × 2,493.01
  4. Step 4: Simplify right side
    3,661.40x = 13,686,828.09
  5. Step 5: Solve for x
    x = 13,686,828.09/3,661.40
  6. Step 6: Final answer
    x = 3,738.14

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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.