Home / 2,290.36-3,431.10-1,801

Finding the Fourth Proportional to 2,290.36, 3,431.10 and 1,801

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Solution

The fourth proportional to 2,290.36, 3,431.10 and 1,801 is: 2,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.36 : 3,431.10 = 1,801 : x
  2. Step 2: Convert to fraction form
    2,290.36/3,431.10 = 1,801/x
  3. Step 3: Cross multiply
    2,290.36x = 3,431.10 × 1,801
  4. Step 4: Simplify right side
    2,290.36x = 6,179,411.10
  5. Step 5: Solve for x
    x = 6,179,411.10/2,290.36
  6. Step 6: Final answer
    x = 2,698.01

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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.