Home / 2,854.76-4,276.60-1,618.36

Finding the Fourth Proportional to 2,854.76, 4,276.60 and 1,618.36

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Solution

The fourth proportional to 2,854.76, 4,276.60 and 1,618.36 is: 2,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.76 : 4,276.60 = 1,618.36 : x
  2. Step 2: Convert to fraction form
    2,854.76/4,276.60 = 1,618.36/x
  3. Step 3: Cross multiply
    2,854.76x = 4,276.60 × 1,618.36
  4. Step 4: Simplify right side
    2,854.76x = 6,921,078.38
  5. Step 5: Solve for x
    x = 6,921,078.38/2,854.76
  6. Step 6: Final answer
    x = 2,424.40

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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.