Home / 2,619.93-3,615.72-1,734.21

Finding the Fourth Proportional to 2,619.93, 3,615.72 and 1,734.21

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Solution

The fourth proportional to 2,619.93, 3,615.72 and 1,734.21 is: 2,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.93 : 3,615.72 = 1,734.21 : x
  2. Step 2: Convert to fraction form
    2,619.93/3,615.72 = 1,734.21/x
  3. Step 3: Cross multiply
    2,619.93x = 3,615.72 × 1,734.21
  4. Step 4: Simplify right side
    2,619.93x = 6,270,417.78
  5. Step 5: Solve for x
    x = 6,270,417.78/2,619.93
  6. Step 6: Final answer
    x = 2,393.35

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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.