Home / 2,818.05-4,227.07-1,085.46

Finding the Fourth Proportional to 2,818.05, 4,227.07 and 1,085.46

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Solution

The fourth proportional to 2,818.05, 4,227.07 and 1,085.46 is: 1,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.05 : 4,227.07 = 1,085.46 : x
  2. Step 2: Convert to fraction form
    2,818.05/4,227.07 = 1,085.46/x
  3. Step 3: Cross multiply
    2,818.05x = 4,227.07 × 1,085.46
  4. Step 4: Simplify right side
    2,818.05x = 4,588,315.40
  5. Step 5: Solve for x
    x = 4,588,315.40/2,818.05
  6. Step 6: Final answer
    x = 1,628.19

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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.