Home / 3,716.64-5,128.97-2,038.19

Finding the Fourth Proportional to 3,716.64, 5,128.97 and 2,038.19

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Solution

The fourth proportional to 3,716.64, 5,128.97 and 2,038.19 is: 2,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.64 : 5,128.97 = 2,038.19 : x
  2. Step 2: Convert to fraction form
    3,716.64/5,128.97 = 2,038.19/x
  3. Step 3: Cross multiply
    3,716.64x = 5,128.97 × 2,038.19
  4. Step 4: Simplify right side
    3,716.64x = 10,453,779.53
  5. Step 5: Solve for x
    x = 10,453,779.53/3,716.64
  6. Step 6: Final answer
    x = 2,812.70

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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.