Home / 1,114.00-1,679.45-1,054.46

Finding the Fourth Proportional to 1,114.00, 1,679.45 and 1,054.46

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Solution

The fourth proportional to 1,114.00, 1,679.45 and 1,054.46 is: 1,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.00 : 1,679.45 = 1,054.46 : x
  2. Step 2: Convert to fraction form
    1,114.00/1,679.45 = 1,054.46/x
  3. Step 3: Cross multiply
    1,114.00x = 1,679.45 × 1,054.46
  4. Step 4: Simplify right side
    1,114.00x = 1,770,911.77
  5. Step 5: Solve for x
    x = 1,770,911.77/1,114.00
  6. Step 6: Final answer
    x = 1,589.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.