Home / 3,928.60-5,888.58-1,618.84

Finding the Fourth Proportional to 3,928.60, 5,888.58 and 1,618.84

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Solution

The fourth proportional to 3,928.60, 5,888.58 and 1,618.84 is: 2,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.60 : 5,888.58 = 1,618.84 : x
  2. Step 2: Convert to fraction form
    3,928.60/5,888.58 = 1,618.84/x
  3. Step 3: Cross multiply
    3,928.60x = 5,888.58 × 1,618.84
  4. Step 4: Simplify right side
    3,928.60x = 9,532,668.85
  5. Step 5: Solve for x
    x = 9,532,668.85/3,928.60
  6. Step 6: Final answer
    x = 2,426.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.