Home / 2,239.74-3,360.96-1,317.15

Finding the Fourth Proportional to 2,239.74, 3,360.96 and 1,317.15

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Solution

The fourth proportional to 2,239.74, 3,360.96 and 1,317.15 is: 1,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.74 : 3,360.96 = 1,317.15 : x
  2. Step 2: Convert to fraction form
    2,239.74/3,360.96 = 1,317.15/x
  3. Step 3: Cross multiply
    2,239.74x = 3,360.96 × 1,317.15
  4. Step 4: Simplify right side
    2,239.74x = 4,426,888.46
  5. Step 5: Solve for x
    x = 4,426,888.46/2,239.74
  6. Step 6: Final answer
    x = 1,976.52

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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.