Home / 2,878.93-4,316.31-1,122.44

Finding the Fourth Proportional to 2,878.93, 4,316.31 and 1,122.44

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Solution

The fourth proportional to 2,878.93, 4,316.31 and 1,122.44 is: 1,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.93 : 4,316.31 = 1,122.44 : x
  2. Step 2: Convert to fraction form
    2,878.93/4,316.31 = 1,122.44/x
  3. Step 3: Cross multiply
    2,878.93x = 4,316.31 × 1,122.44
  4. Step 4: Simplify right side
    2,878.93x = 4,844,809.79
  5. Step 5: Solve for x
    x = 4,844,809.79/2,878.93
  6. Step 6: Final answer
    x = 1,682.85

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1.5x scale

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.