Home / 3,669.36-5,504.16-1,913.88

Finding the Fourth Proportional to 3,669.36, 5,504.16 and 1,913.88

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Solution

The fourth proportional to 3,669.36, 5,504.16 and 1,913.88 is: 2,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.36 : 5,504.16 = 1,913.88 : x
  2. Step 2: Convert to fraction form
    3,669.36/5,504.16 = 1,913.88/x
  3. Step 3: Cross multiply
    3,669.36x = 5,504.16 × 1,913.88
  4. Step 4: Simplify right side
    3,669.36x = 10,534,301.74
  5. Step 5: Solve for x
    x = 10,534,301.74/3,669.36
  6. Step 6: Final answer
    x = 2,870.88

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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.