Home / 1,546.74-2,134.62-917.46

Finding the Fourth Proportional to 1,546.74, 2,134.62 and 917.46

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Solution

The fourth proportional to 1,546.74, 2,134.62 and 917.46 is: 1,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.74 : 2,134.62 = 917.46 : x
  2. Step 2: Convert to fraction form
    1,546.74/2,134.62 = 917.46/x
  3. Step 3: Cross multiply
    1,546.74x = 2,134.62 × 917.46
  4. Step 4: Simplify right side
    1,546.74x = 1,958,428.47
  5. Step 5: Solve for x
    x = 1,958,428.47/1,546.74
  6. Step 6: Final answer
    x = 1,266.17

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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.