Home / 2,557.94-3,833.75-1,324.64

Finding the Fourth Proportional to 2,557.94, 3,833.75 and 1,324.64

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Solution

The fourth proportional to 2,557.94, 3,833.75 and 1,324.64 is: 1,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.94 : 3,833.75 = 1,324.64 : x
  2. Step 2: Convert to fraction form
    2,557.94/3,833.75 = 1,324.64/x
  3. Step 3: Cross multiply
    2,557.94x = 3,833.75 × 1,324.64
  4. Step 4: Simplify right side
    2,557.94x = 5,078,312.81
  5. Step 5: Solve for x
    x = 5,078,312.81/2,557.94
  6. Step 6: Final answer
    x = 1,985.32

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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.