Home / 1,633.36-2,252.38-1,398.10

Finding the Fourth Proportional to 1,633.36, 2,252.38 and 1,398.10

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Solution

The fourth proportional to 1,633.36, 2,252.38 and 1,398.10 is: 1,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.36 : 2,252.38 = 1,398.10 : x
  2. Step 2: Convert to fraction form
    1,633.36/2,252.38 = 1,398.10/x
  3. Step 3: Cross multiply
    1,633.36x = 2,252.38 × 1,398.10
  4. Step 4: Simplify right side
    1,633.36x = 3,149,052.48
  5. Step 5: Solve for x
    x = 3,149,052.48/1,633.36
  6. Step 6: Final answer
    x = 1,927.96

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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.