Home / 3,126.24-4,683.80-2,659.68

Finding the Fourth Proportional to 3,126.24, 4,683.80 and 2,659.68

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Solution

The fourth proportional to 3,126.24, 4,683.80 and 2,659.68 is: 3,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.24 : 4,683.80 = 2,659.68 : x
  2. Step 2: Convert to fraction form
    3,126.24/4,683.80 = 2,659.68/x
  3. Step 3: Cross multiply
    3,126.24x = 4,683.80 × 2,659.68
  4. Step 4: Simplify right side
    3,126.24x = 12,457,409.18
  5. Step 5: Solve for x
    x = 12,457,409.18/3,126.24
  6. Step 6: Final answer
    x = 3,984.79

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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.