Home / 2,235.13-3,354.01-1,261.91

Finding the Fourth Proportional to 2,235.13, 3,354.01 and 1,261.91

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Solution

The fourth proportional to 2,235.13, 3,354.01 and 1,261.91 is: 1,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.13 : 3,354.01 = 1,261.91 : x
  2. Step 2: Convert to fraction form
    2,235.13/3,354.01 = 1,261.91/x
  3. Step 3: Cross multiply
    2,235.13x = 3,354.01 × 1,261.91
  4. Step 4: Simplify right side
    2,235.13x = 4,232,463.99
  5. Step 5: Solve for x
    x = 4,232,463.99/2,235.13
  6. Step 6: Final answer
    x = 1,893.61

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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.