Home / 2,813.10-4,209.06-1,683.18

Finding the Fourth Proportional to 2,813.10, 4,209.06 and 1,683.18

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Solution

The fourth proportional to 2,813.10, 4,209.06 and 1,683.18 is: 2,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.10 : 4,209.06 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    2,813.10/4,209.06 = 1,683.18/x
  3. Step 3: Cross multiply
    2,813.10x = 4,209.06 × 1,683.18
  4. Step 4: Simplify right side
    2,813.10x = 7,084,605.61
  5. Step 5: Solve for x
    x = 7,084,605.61/2,813.10
  6. Step 6: Final answer
    x = 2,518.43

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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.