Home / 3,113.00-4,292.96-2,403.71

Finding the Fourth Proportional to 3,113.00, 4,292.96 and 2,403.71

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Solution

The fourth proportional to 3,113.00, 4,292.96 and 2,403.71 is: 3,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.00 : 4,292.96 = 2,403.71 : x
  2. Step 2: Convert to fraction form
    3,113.00/4,292.96 = 2,403.71/x
  3. Step 3: Cross multiply
    3,113.00x = 4,292.96 × 2,403.71
  4. Step 4: Simplify right side
    3,113.00x = 10,318,997.40
  5. Step 5: Solve for x
    x = 10,318,997.40/3,113.00
  6. Step 6: Final answer
    x = 3,314.81

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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.