Home / 2,240.00-3,088.70-1,531.95

Finding the Fourth Proportional to 2,240.00, 3,088.70 and 1,531.95

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Solution

The fourth proportional to 2,240.00, 3,088.70 and 1,531.95 is: 2,112.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.00 : 3,088.70 = 1,531.95 : x
  2. Step 2: Convert to fraction form
    2,240.00/3,088.70 = 1,531.95/x
  3. Step 3: Cross multiply
    2,240.00x = 3,088.70 × 1,531.95
  4. Step 4: Simplify right side
    2,240.00x = 4,731,749.38
  5. Step 5: Solve for x
    x = 4,731,749.38/2,240.00
  6. Step 6: Final answer
    x = 2,112.39

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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.