Home / 2,638.26-3,643.86-1,752.54

Finding the Fourth Proportional to 2,638.26, 3,643.86 and 1,752.54

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Solution

The fourth proportional to 2,638.26, 3,643.86 and 1,752.54 is: 2,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.26 : 3,643.86 = 1,752.54 : x
  2. Step 2: Convert to fraction form
    2,638.26/3,643.86 = 1,752.54/x
  3. Step 3: Cross multiply
    2,638.26x = 3,643.86 × 1,752.54
  4. Step 4: Simplify right side
    2,638.26x = 6,386,010.40
  5. Step 5: Solve for x
    x = 6,386,010.40/2,638.26
  6. Step 6: Final answer
    x = 2,420.54

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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.