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Finding the Fourth Proportional to 1,882.92, 2,830.86 and 1,740.36

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Solution

The fourth proportional to 1,882.92, 2,830.86 and 1,740.36 is: 2,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.92 : 2,830.86 = 1,740.36 : x
  2. Step 2: Convert to fraction form
    1,882.92/2,830.86 = 1,740.36/x
  3. Step 3: Cross multiply
    1,882.92x = 2,830.86 × 1,740.36
  4. Step 4: Simplify right side
    1,882.92x = 4,926,715.51
  5. Step 5: Solve for x
    x = 4,926,715.51/1,882.92
  6. Step 6: Final answer
    x = 2,616.53

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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.