Home / 3,108.18-4,290.20-2,483.07

Finding the Fourth Proportional to 3,108.18, 4,290.20 and 2,483.07

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Solution

The fourth proportional to 3,108.18, 4,290.20 and 2,483.07 is: 3,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.18 : 4,290.20 = 2,483.07 : x
  2. Step 2: Convert to fraction form
    3,108.18/4,290.20 = 2,483.07/x
  3. Step 3: Cross multiply
    3,108.18x = 4,290.20 × 2,483.07
  4. Step 4: Simplify right side
    3,108.18x = 10,652,847.72
  5. Step 5: Solve for x
    x = 10,652,847.72/3,108.18
  6. Step 6: Final answer
    x = 3,427.35

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1.5x scale

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.