Home / 3,126.87-4,682.21-2,475.63

Finding the Fourth Proportional to 3,126.87, 4,682.21 and 2,475.63

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Solution

The fourth proportional to 3,126.87, 4,682.21 and 2,475.63 is: 3,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.87 : 4,682.21 = 2,475.63 : x
  2. Step 2: Convert to fraction form
    3,126.87/4,682.21 = 2,475.63/x
  3. Step 3: Cross multiply
    3,126.87x = 4,682.21 × 2,475.63
  4. Step 4: Simplify right side
    3,126.87x = 11,591,407.16
  5. Step 5: Solve for x
    x = 11,591,407.16/3,126.87
  6. Step 6: Final answer
    x = 3,707.03

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1.5x scale

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.