Home / 3,491.49-4,818.33-1,919.60

Finding the Fourth Proportional to 3,491.49, 4,818.33 and 1,919.60

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Solution

The fourth proportional to 3,491.49, 4,818.33 and 1,919.60 is: 2,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.49 : 4,818.33 = 1,919.60 : x
  2. Step 2: Convert to fraction form
    3,491.49/4,818.33 = 1,919.60/x
  3. Step 3: Cross multiply
    3,491.49x = 4,818.33 × 1,919.60
  4. Step 4: Simplify right side
    3,491.49x = 9,249,242.18
  5. Step 5: Solve for x
    x = 9,249,242.18/3,491.49
  6. Step 6: Final answer
    x = 2,649.08

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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.