Home / 2,766.48-4,149-1,898.16

Finding the Fourth Proportional to 2,766.48, 4,149 and 1,898.16

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Solution

The fourth proportional to 2,766.48, 4,149 and 1,898.16 is: 2,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.48 : 4,149 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    2,766.48/4,149 = 1,898.16/x
  3. Step 3: Cross multiply
    2,766.48x = 4,149 × 1,898.16
  4. Step 4: Simplify right side
    2,766.48x = 7,875,465.84
  5. Step 5: Solve for x
    x = 7,875,465.84/2,766.48
  6. Step 6: Final answer
    x = 2,846.75

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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.