Home / 1,636.08-2,257.52-1,076.77

Finding the Fourth Proportional to 1,636.08, 2,257.52 and 1,076.77

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Solution

The fourth proportional to 1,636.08, 2,257.52 and 1,076.77 is: 1,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.08 : 2,257.52 = 1,076.77 : x
  2. Step 2: Convert to fraction form
    1,636.08/2,257.52 = 1,076.77/x
  3. Step 3: Cross multiply
    1,636.08x = 2,257.52 × 1,076.77
  4. Step 4: Simplify right side
    1,636.08x = 2,430,829.81
  5. Step 5: Solve for x
    x = 2,430,829.81/1,636.08
  6. Step 6: Final answer
    x = 1,485.76

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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.