Home / 3,907.60-5,388.97-2,582.64

Finding the Fourth Proportional to 3,907.60, 5,388.97 and 2,582.64

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Solution

The fourth proportional to 3,907.60, 5,388.97 and 2,582.64 is: 3,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.60 : 5,388.97 = 2,582.64 : x
  2. Step 2: Convert to fraction form
    3,907.60/5,388.97 = 2,582.64/x
  3. Step 3: Cross multiply
    3,907.60x = 5,388.97 × 2,582.64
  4. Step 4: Simplify right side
    3,907.60x = 13,917,772.71
  5. Step 5: Solve for x
    x = 13,917,772.71/3,907.60
  6. Step 6: Final answer
    x = 3,561.72

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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.