Home / 2,352.74-3,246.75-1,290.54

Finding the Fourth Proportional to 2,352.74, 3,246.75 and 1,290.54

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Solution

The fourth proportional to 2,352.74, 3,246.75 and 1,290.54 is: 1,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.74 : 3,246.75 = 1,290.54 : x
  2. Step 2: Convert to fraction form
    2,352.74/3,246.75 = 1,290.54/x
  3. Step 3: Cross multiply
    2,352.74x = 3,246.75 × 1,290.54
  4. Step 4: Simplify right side
    2,352.74x = 4,190,060.75
  5. Step 5: Solve for x
    x = 4,190,060.75/2,352.74
  6. Step 6: Final answer
    x = 1,780.93

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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.