Home / 3,811.60-5,262.60-2,925.84

Finding the Fourth Proportional to 3,811.60, 5,262.60 and 2,925.84

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Solution

The fourth proportional to 3,811.60, 5,262.60 and 2,925.84 is: 4,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.60 : 5,262.60 = 2,925.84 : x
  2. Step 2: Convert to fraction form
    3,811.60/5,262.60 = 2,925.84/x
  3. Step 3: Cross multiply
    3,811.60x = 5,262.60 × 2,925.84
  4. Step 4: Simplify right side
    3,811.60x = 15,397,525.58
  5. Step 5: Solve for x
    x = 15,397,525.58/3,811.60
  6. Step 6: Final answer
    x = 4,039.65

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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.