Home / 1,553.18-2,141.30-1,054.96

Finding the Fourth Proportional to 1,553.18, 2,141.30 and 1,054.96

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Solution

The fourth proportional to 1,553.18, 2,141.30 and 1,054.96 is: 1,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.18 : 2,141.30 = 1,054.96 : x
  2. Step 2: Convert to fraction form
    1,553.18/2,141.30 = 1,054.96/x
  3. Step 3: Cross multiply
    1,553.18x = 2,141.30 × 1,054.96
  4. Step 4: Simplify right side
    1,553.18x = 2,258,983.13
  5. Step 5: Solve for x
    x = 2,258,983.13/1,553.18
  6. Step 6: Final answer
    x = 1,454.42

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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.