Home / 3,716.10-5,129.19-2,225.70

Finding the Fourth Proportional to 3,716.10, 5,129.19 and 2,225.70

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Solution

The fourth proportional to 3,716.10, 5,129.19 and 2,225.70 is: 3,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.10 : 5,129.19 = 2,225.70 : x
  2. Step 2: Convert to fraction form
    3,716.10/5,129.19 = 2,225.70/x
  3. Step 3: Cross multiply
    3,716.10x = 5,129.19 × 2,225.70
  4. Step 4: Simplify right side
    3,716.10x = 11,416,038.18
  5. Step 5: Solve for x
    x = 11,416,038.18/3,716.10
  6. Step 6: Final answer
    x = 3,072.05

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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.