Home / 1,854.05-2,777.88-1,228.96

Finding the Fourth Proportional to 1,854.05, 2,777.88 and 1,228.96

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Solution

The fourth proportional to 1,854.05, 2,777.88 and 1,228.96 is: 1,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.05 : 2,777.88 = 1,228.96 : x
  2. Step 2: Convert to fraction form
    1,854.05/2,777.88 = 1,228.96/x
  3. Step 3: Cross multiply
    1,854.05x = 2,777.88 × 1,228.96
  4. Step 4: Simplify right side
    1,854.05x = 3,413,903.40
  5. Step 5: Solve for x
    x = 3,413,903.40/1,854.05
  6. Step 6: Final answer
    x = 1,841.32

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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.