Home / 1,677.07-2,515.88-1,371.70

Finding the Fourth Proportional to 1,677.07, 2,515.88 and 1,371.70

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Solution

The fourth proportional to 1,677.07, 2,515.88 and 1,371.70 is: 2,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.07 : 2,515.88 = 1,371.70 : x
  2. Step 2: Convert to fraction form
    1,677.07/2,515.88 = 1,371.70/x
  3. Step 3: Cross multiply
    1,677.07x = 2,515.88 × 1,371.70
  4. Step 4: Simplify right side
    1,677.07x = 3,451,032.60
  5. Step 5: Solve for x
    x = 3,451,032.60/1,677.07
  6. Step 6: Final answer
    x = 2,057.77

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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.