Home / 1,841.84-2,538.24-1,316.96

Finding the Fourth Proportional to 1,841.84, 2,538.24 and 1,316.96

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Solution

The fourth proportional to 1,841.84, 2,538.24 and 1,316.96 is: 1,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.84 : 2,538.24 = 1,316.96 : x
  2. Step 2: Convert to fraction form
    1,841.84/2,538.24 = 1,316.96/x
  3. Step 3: Cross multiply
    1,841.84x = 2,538.24 × 1,316.96
  4. Step 4: Simplify right side
    1,841.84x = 3,342,760.55
  5. Step 5: Solve for x
    x = 3,342,760.55/1,841.84
  6. Step 6: Final answer
    x = 1,814.90

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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.