Home / 2,557.08-3,829.38-1,777.86

Finding the Fourth Proportional to 2,557.08, 3,829.38 and 1,777.86

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Solution

The fourth proportional to 2,557.08, 3,829.38 and 1,777.86 is: 2,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.08 : 3,829.38 = 1,777.86 : x
  2. Step 2: Convert to fraction form
    2,557.08/3,829.38 = 1,777.86/x
  3. Step 3: Cross multiply
    2,557.08x = 3,829.38 × 1,777.86
  4. Step 4: Simplify right side
    2,557.08x = 6,808,101.53
  5. Step 5: Solve for x
    x = 6,808,101.53/2,557.08
  6. Step 6: Final answer
    x = 2,662.45

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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.