Home / 1,343.76-2,011.48-1,146.96

Finding the Fourth Proportional to 1,343.76, 2,011.48 and 1,146.96

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Solution

The fourth proportional to 1,343.76, 2,011.48 and 1,146.96 is: 1,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.76 : 2,011.48 = 1,146.96 : x
  2. Step 2: Convert to fraction form
    1,343.76/2,011.48 = 1,146.96/x
  3. Step 3: Cross multiply
    1,343.76x = 2,011.48 × 1,146.96
  4. Step 4: Simplify right side
    1,343.76x = 2,307,087.10
  5. Step 5: Solve for x
    x = 2,307,087.10/1,343.76
  6. Step 6: Final answer
    x = 1,716.89

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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.