Home / 1,274.00-1,757.22-1,084.46

Finding the Fourth Proportional to 1,274.00, 1,757.22 and 1,084.46

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Solution

The fourth proportional to 1,274.00, 1,757.22 and 1,084.46 is: 1,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.00 : 1,757.22 = 1,084.46 : x
  2. Step 2: Convert to fraction form
    1,274.00/1,757.22 = 1,084.46/x
  3. Step 3: Cross multiply
    1,274.00x = 1,757.22 × 1,084.46
  4. Step 4: Simplify right side
    1,274.00x = 1,905,639.19
  5. Step 5: Solve for x
    x = 1,905,639.19/1,274.00
  6. Step 6: Final answer
    x = 1,495.79

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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.