Home / 3,919.59-5,878.98-1,453.95

Finding the Fourth Proportional to 3,919.59, 5,878.98 and 1,453.95

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Solution

The fourth proportional to 3,919.59, 5,878.98 and 1,453.95 is: 2,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.59 : 5,878.98 = 1,453.95 : x
  2. Step 2: Convert to fraction form
    3,919.59/5,878.98 = 1,453.95/x
  3. Step 3: Cross multiply
    3,919.59x = 5,878.98 × 1,453.95
  4. Step 4: Simplify right side
    3,919.59x = 8,547,742.97
  5. Step 5: Solve for x
    x = 8,547,742.97/3,919.59
  6. Step 6: Final answer
    x = 2,180.77

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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.