Home / 3,706.40-5,114.83-2,027.81

Finding the Fourth Proportional to 3,706.40, 5,114.83 and 2,027.81

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Solution

The fourth proportional to 3,706.40, 5,114.83 and 2,027.81 is: 2,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.40 : 5,114.83 = 2,027.81 : x
  2. Step 2: Convert to fraction form
    3,706.40/5,114.83 = 2,027.81/x
  3. Step 3: Cross multiply
    3,706.40x = 5,114.83 × 2,027.81
  4. Step 4: Simplify right side
    3,706.40x = 10,371,903.42
  5. Step 5: Solve for x
    x = 10,371,903.42/3,706.40
  6. Step 6: Final answer
    x = 2,798.38

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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.