Home / 2,854.90-4,276.77-2,545.30

Finding the Fourth Proportional to 2,854.90, 4,276.77 and 2,545.30

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Solution

The fourth proportional to 2,854.90, 4,276.77 and 2,545.30 is: 3,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.90 : 4,276.77 = 2,545.30 : x
  2. Step 2: Convert to fraction form
    2,854.90/4,276.77 = 2,545.30/x
  3. Step 3: Cross multiply
    2,854.90x = 4,276.77 × 2,545.30
  4. Step 4: Simplify right side
    2,854.90x = 10,885,662.68
  5. Step 5: Solve for x
    x = 10,885,662.68/2,854.90
  6. Step 6: Final answer
    x = 3,812.98

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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.