Home / 3,810.64-5,715.52-1,617.72

Finding the Fourth Proportional to 3,810.64, 5,715.52 and 1,617.72

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Solution

The fourth proportional to 3,810.64, 5,715.52 and 1,617.72 is: 2,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.64 : 5,715.52 = 1,617.72 : x
  2. Step 2: Convert to fraction form
    3,810.64/5,715.52 = 1,617.72/x
  3. Step 3: Cross multiply
    3,810.64x = 5,715.52 × 1,617.72
  4. Step 4: Simplify right side
    3,810.64x = 9,246,111.01
  5. Step 5: Solve for x
    x = 9,246,111.01/3,810.64
  6. Step 6: Final answer
    x = 2,426.39

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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.