Home / 3,587.64-5,378.20-2,662.08

Finding the Fourth Proportional to 3,587.64, 5,378.20 and 2,662.08

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Solution

The fourth proportional to 3,587.64, 5,378.20 and 2,662.08 is: 3,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.64 : 5,378.20 = 2,662.08 : x
  2. Step 2: Convert to fraction form
    3,587.64/5,378.20 = 2,662.08/x
  3. Step 3: Cross multiply
    3,587.64x = 5,378.20 × 2,662.08
  4. Step 4: Simplify right side
    3,587.64x = 14,317,198.66
  5. Step 5: Solve for x
    x = 14,317,198.66/3,587.64
  6. Step 6: Final answer
    x = 3,990.70

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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.