Home / 3,043.64-4,200.28-1,785.65

Finding the Fourth Proportional to 3,043.64, 4,200.28 and 1,785.65

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Solution

The fourth proportional to 3,043.64, 4,200.28 and 1,785.65 is: 2,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.64 : 4,200.28 = 1,785.65 : x
  2. Step 2: Convert to fraction form
    3,043.64/4,200.28 = 1,785.65/x
  3. Step 3: Cross multiply
    3,043.64x = 4,200.28 × 1,785.65
  4. Step 4: Simplify right side
    3,043.64x = 7,500,236.02
  5. Step 5: Solve for x
    x = 7,500,236.02/3,043.64
  6. Step 6: Final answer
    x = 2,464.23

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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.