Home / 3,310.64-4,568.70-1,818.56

Finding the Fourth Proportional to 3,310.64, 4,568.70 and 1,818.56

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Solution

The fourth proportional to 3,310.64, 4,568.70 and 1,818.56 is: 2,509.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.64 : 4,568.70 = 1,818.56 : x
  2. Step 2: Convert to fraction form
    3,310.64/4,568.70 = 1,818.56/x
  3. Step 3: Cross multiply
    3,310.64x = 4,568.70 × 1,818.56
  4. Step 4: Simplify right side
    3,310.64x = 8,308,455.07
  5. Step 5: Solve for x
    x = 8,308,455.07/3,310.64
  6. Step 6: Final answer
    x = 2,509.62

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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.