Home / 1,860.60-2,792.64-1,414.28

Finding the Fourth Proportional to 1,860.60, 2,792.64 and 1,414.28

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Solution

The fourth proportional to 1,860.60, 2,792.64 and 1,414.28 is: 2,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.60 : 2,792.64 = 1,414.28 : x
  2. Step 2: Convert to fraction form
    1,860.60/2,792.64 = 1,414.28/x
  3. Step 3: Cross multiply
    1,860.60x = 2,792.64 × 1,414.28
  4. Step 4: Simplify right side
    1,860.60x = 3,949,574.90
  5. Step 5: Solve for x
    x = 3,949,574.90/1,860.60
  6. Step 6: Final answer
    x = 2,122.74

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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.