Home / 1,553.64-2,331.30-1,549.08

Finding the Fourth Proportional to 1,553.64, 2,331.30 and 1,549.08

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Solution

The fourth proportional to 1,553.64, 2,331.30 and 1,549.08 is: 2,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.64 : 2,331.30 = 1,549.08 : x
  2. Step 2: Convert to fraction form
    1,553.64/2,331.30 = 1,549.08/x
  3. Step 3: Cross multiply
    1,553.64x = 2,331.30 × 1,549.08
  4. Step 4: Simplify right side
    1,553.64x = 3,611,370.20
  5. Step 5: Solve for x
    x = 3,611,370.20/1,553.64
  6. Step 6: Final answer
    x = 2,324.46

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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.