Home / 3,310.45-4,568.55-1,818.51

Finding the Fourth Proportional to 3,310.45, 4,568.55 and 1,818.51

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Solution

The fourth proportional to 3,310.45, 4,568.55 and 1,818.51 is: 2,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.45 : 4,568.55 = 1,818.51 : x
  2. Step 2: Convert to fraction form
    3,310.45/4,568.55 = 1,818.51/x
  3. Step 3: Cross multiply
    3,310.45x = 4,568.55 × 1,818.51
  4. Step 4: Simplify right side
    3,310.45x = 8,307,953.86
  5. Step 5: Solve for x
    x = 8,307,953.86/3,310.45
  6. Step 6: Final answer
    x = 2,509.61

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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.