Home / 2,918.68-4,375.96-1,456.80

Finding the Fourth Proportional to 2,918.68, 4,375.96 and 1,456.80

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Solution

The fourth proportional to 2,918.68, 4,375.96 and 1,456.80 is: 2,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.68 : 4,375.96 = 1,456.80 : x
  2. Step 2: Convert to fraction form
    2,918.68/4,375.96 = 1,456.80/x
  3. Step 3: Cross multiply
    2,918.68x = 4,375.96 × 1,456.80
  4. Step 4: Simplify right side
    2,918.68x = 6,374,878.48
  5. Step 5: Solve for x
    x = 6,374,878.48/2,918.68
  6. Step 6: Final answer
    x = 2,184.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.