Home / 2,898.36-3,997.74-2,418.48

Finding the Fourth Proportional to 2,898.36, 3,997.74 and 2,418.48

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Solution

The fourth proportional to 2,898.36, 3,997.74 and 2,418.48 is: 3,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.36 : 3,997.74 = 2,418.48 : x
  2. Step 2: Convert to fraction form
    2,898.36/3,997.74 = 2,418.48/x
  3. Step 3: Cross multiply
    2,898.36x = 3,997.74 × 2,418.48
  4. Step 4: Simplify right side
    2,898.36x = 9,668,454.24
  5. Step 5: Solve for x
    x = 9,668,454.24/2,898.36
  6. Step 6: Final answer
    x = 3,335.84

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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.