Home / 2,818.09-4,226.21-1,337.11

Finding the Fourth Proportional to 2,818.09, 4,226.21 and 1,337.11

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Solution

The fourth proportional to 2,818.09, 4,226.21 and 1,337.11 is: 2,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.09 : 4,226.21 = 1,337.11 : x
  2. Step 2: Convert to fraction form
    2,818.09/4,226.21 = 1,337.11/x
  3. Step 3: Cross multiply
    2,818.09x = 4,226.21 × 1,337.11
  4. Step 4: Simplify right side
    2,818.09x = 5,650,895.42
  5. Step 5: Solve for x
    x = 5,650,895.42/2,818.09
  6. Step 6: Final answer
    x = 2,005.22

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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.