Home / 3,310.61-4,569.03-1,913.36

Finding the Fourth Proportional to 3,310.61, 4,569.03 and 1,913.36

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Solution

The fourth proportional to 3,310.61, 4,569.03 and 1,913.36 is: 2,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.61 : 4,569.03 = 1,913.36 : x
  2. Step 2: Convert to fraction form
    3,310.61/4,569.03 = 1,913.36/x
  3. Step 3: Cross multiply
    3,310.61x = 4,569.03 × 1,913.36
  4. Step 4: Simplify right side
    3,310.61x = 8,742,176.40
  5. Step 5: Solve for x
    x = 8,742,176.40/3,310.61
  6. Step 6: Final answer
    x = 2,640.66

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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.