Home / 2,918.16-4,351.32-2,881.44

Finding the Fourth Proportional to 2,918.16, 4,351.32 and 2,881.44

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Solution

The fourth proportional to 2,918.16, 4,351.32 and 2,881.44 is: 4,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,351.32 = 2,881.44 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,351.32 = 2,881.44/x
  3. Step 3: Cross multiply
    2,918.16x = 4,351.32 × 2,881.44
  4. Step 4: Simplify right side
    2,918.16x = 12,538,067.50
  5. Step 5: Solve for x
    x = 12,538,067.50/2,918.16
  6. Step 6: Final answer
    x = 4,296.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.