Home / 2,818.10-4,223.50-1,892.28

Finding the Fourth Proportional to 2,818.10, 4,223.50 and 1,892.28

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Solution

The fourth proportional to 2,818.10, 4,223.50 and 1,892.28 is: 2,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.10 : 4,223.50 = 1,892.28 : x
  2. Step 2: Convert to fraction form
    2,818.10/4,223.50 = 1,892.28/x
  3. Step 3: Cross multiply
    2,818.10x = 4,223.50 × 1,892.28
  4. Step 4: Simplify right side
    2,818.10x = 7,992,044.58
  5. Step 5: Solve for x
    x = 7,992,044.58/2,818.10
  6. Step 6: Final answer
    x = 2,835.97

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1.5x scale

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.