Home / 2,076.40-2,862.68-1,677.62

Finding the Fourth Proportional to 2,076.40, 2,862.68 and 1,677.62

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Solution

The fourth proportional to 2,076.40, 2,862.68 and 1,677.62 is: 2,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.40 : 2,862.68 = 1,677.62 : x
  2. Step 2: Convert to fraction form
    2,076.40/2,862.68 = 1,677.62/x
  3. Step 3: Cross multiply
    2,076.40x = 2,862.68 × 1,677.62
  4. Step 4: Simplify right side
    2,076.40x = 4,802,489.22
  5. Step 5: Solve for x
    x = 4,802,489.22/2,076.40
  6. Step 6: Final answer
    x = 2,312.89

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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.