Home / 2,739.09-3,768.98-2,657.10

Finding the Fourth Proportional to 2,739.09, 3,768.98 and 2,657.10

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Solution

The fourth proportional to 2,739.09, 3,768.98 and 2,657.10 is: 3,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.09 : 3,768.98 = 2,657.10 : x
  2. Step 2: Convert to fraction form
    2,739.09/3,768.98 = 2,657.10/x
  3. Step 3: Cross multiply
    2,739.09x = 3,768.98 × 2,657.10
  4. Step 4: Simplify right side
    2,739.09x = 10,014,543.47
  5. Step 5: Solve for x
    x = 10,014,543.47/2,739.09
  6. Step 6: Final answer
    x = 3,656.16

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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.