Home / 3,320.64-4,582.21-1,904.31

Finding the Fourth Proportional to 3,320.64, 4,582.21 and 1,904.31

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Solution

The fourth proportional to 3,320.64, 4,582.21 and 1,904.31 is: 2,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.64 : 4,582.21 = 1,904.31 : x
  2. Step 2: Convert to fraction form
    3,320.64/4,582.21 = 1,904.31/x
  3. Step 3: Cross multiply
    3,320.64x = 4,582.21 × 1,904.31
  4. Step 4: Simplify right side
    3,320.64x = 8,725,948.33
  5. Step 5: Solve for x
    x = 8,725,948.33/3,320.64
  6. Step 6: Final answer
    x = 2,627.79

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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.