Home / 2,718.36-3,751.35-1,670.43

Finding the Fourth Proportional to 2,718.36, 3,751.35 and 1,670.43

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Solution

The fourth proportional to 2,718.36, 3,751.35 and 1,670.43 is: 2,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.36 : 3,751.35 = 1,670.43 : x
  2. Step 2: Convert to fraction form
    2,718.36/3,751.35 = 1,670.43/x
  3. Step 3: Cross multiply
    2,718.36x = 3,751.35 × 1,670.43
  4. Step 4: Simplify right side
    2,718.36x = 6,266,367.58
  5. Step 5: Solve for x
    x = 6,266,367.58/2,718.36
  6. Step 6: Final answer
    x = 2,305.20

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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.