Home / 3,310.13-4,568.36-1,818.18

Finding the Fourth Proportional to 3,310.13, 4,568.36 and 1,818.18

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Solution

The fourth proportional to 3,310.13, 4,568.36 and 1,818.18 is: 2,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.13 : 4,568.36 = 1,818.18 : x
  2. Step 2: Convert to fraction form
    3,310.13/4,568.36 = 1,818.18/x
  3. Step 3: Cross multiply
    3,310.13x = 4,568.36 × 1,818.18
  4. Step 4: Simplify right side
    3,310.13x = 8,306,100.78
  5. Step 5: Solve for x
    x = 8,306,100.78/3,310.13
  6. Step 6: Final answer
    x = 2,509.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.