Home / 2,255.50-3,112.91-1,471.24

Finding the Fourth Proportional to 2,255.50, 3,112.91 and 1,471.24

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Solution

The fourth proportional to 2,255.50, 3,112.91 and 1,471.24 is: 2,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.50 : 3,112.91 = 1,471.24 : x
  2. Step 2: Convert to fraction form
    2,255.50/3,112.91 = 1,471.24/x
  3. Step 3: Cross multiply
    2,255.50x = 3,112.91 × 1,471.24
  4. Step 4: Simplify right side
    2,255.50x = 4,579,837.71
  5. Step 5: Solve for x
    x = 4,579,837.71/2,255.50
  6. Step 6: Final answer
    x = 2,030.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.