Home / 3,491.36-4,817.90-1,919.52

Finding the Fourth Proportional to 3,491.36, 4,817.90 and 1,919.52

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Solution

The fourth proportional to 3,491.36, 4,817.90 and 1,919.52 is: 2,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.36 : 4,817.90 = 1,919.52 : x
  2. Step 2: Convert to fraction form
    3,491.36/4,817.90 = 1,919.52/x
  3. Step 3: Cross multiply
    3,491.36x = 4,817.90 × 1,919.52
  4. Step 4: Simplify right side
    3,491.36x = 9,248,055.41
  5. Step 5: Solve for x
    x = 9,248,055.41/3,491.36
  6. Step 6: Final answer
    x = 2,648.84

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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.