Home / 3,131.10-4,702.05-3,033.90

Finding the Fourth Proportional to 3,131.10, 4,702.05 and 3,033.90

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Solution

The fourth proportional to 3,131.10, 4,702.05 and 3,033.90 is: 4,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.10 : 4,702.05 = 3,033.90 : x
  2. Step 2: Convert to fraction form
    3,131.10/4,702.05 = 3,033.90/x
  3. Step 3: Cross multiply
    3,131.10x = 4,702.05 × 3,033.90
  4. Step 4: Simplify right side
    3,131.10x = 14,265,549.50
  5. Step 5: Solve for x
    x = 14,265,549.50/3,131.10
  6. Step 6: Final answer
    x = 4,556.08

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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.