Home / 2,238.98-3,091.21-1,532.00

Finding the Fourth Proportional to 2,238.98, 3,091.21 and 1,532.00

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Solution

The fourth proportional to 2,238.98, 3,091.21 and 1,532.00 is: 2,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.98 : 3,091.21 = 1,532.00 : x
  2. Step 2: Convert to fraction form
    2,238.98/3,091.21 = 1,532.00/x
  3. Step 3: Cross multiply
    2,238.98x = 3,091.21 × 1,532.00
  4. Step 4: Simplify right side
    2,238.98x = 4,735,720.23
  5. Step 5: Solve for x
    x = 4,735,720.23/2,238.98
  6. Step 6: Final answer
    x = 2,115.13

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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.