Home / 3,298.36-4,551.72-1,785.91

Finding the Fourth Proportional to 3,298.36, 4,551.72 and 1,785.91

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Solution

The fourth proportional to 3,298.36, 4,551.72 and 1,785.91 is: 2,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.36 : 4,551.72 = 1,785.91 : x
  2. Step 2: Convert to fraction form
    3,298.36/4,551.72 = 1,785.91/x
  3. Step 3: Cross multiply
    3,298.36x = 4,551.72 × 1,785.91
  4. Step 4: Simplify right side
    3,298.36x = 8,128,962.27
  5. Step 5: Solve for x
    x = 8,128,962.27/3,298.36
  6. Step 6: Final answer
    x = 2,464.55

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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.