Home / 2,788.19-4,180.28-1,400.52

Finding the Fourth Proportional to 2,788.19, 4,180.28 and 1,400.52

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Solution

The fourth proportional to 2,788.19, 4,180.28 and 1,400.52 is: 2,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.19 : 4,180.28 = 1,400.52 : x
  2. Step 2: Convert to fraction form
    2,788.19/4,180.28 = 1,400.52/x
  3. Step 3: Cross multiply
    2,788.19x = 4,180.28 × 1,400.52
  4. Step 4: Simplify right side
    2,788.19x = 5,854,558.74
  5. Step 5: Solve for x
    x = 5,854,558.74/2,788.19
  6. Step 6: Final answer
    x = 2,099.77

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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.