Home / 2,874.73-3,967.56-1,756.31

Finding the Fourth Proportional to 2,874.73, 3,967.56 and 1,756.31

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Solution

The fourth proportional to 2,874.73, 3,967.56 and 1,756.31 is: 2,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.73 : 3,967.56 = 1,756.31 : x
  2. Step 2: Convert to fraction form
    2,874.73/3,967.56 = 1,756.31/x
  3. Step 3: Cross multiply
    2,874.73x = 3,967.56 × 1,756.31
  4. Step 4: Simplify right side
    2,874.73x = 6,968,265.30
  5. Step 5: Solve for x
    x = 6,968,265.30/2,874.73
  6. Step 6: Final answer
    x = 2,423.97

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1.5x scale

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.