Home / 3,587.87-4,950.71-2,015.66

Finding the Fourth Proportional to 3,587.87, 4,950.71 and 2,015.66

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Solution

The fourth proportional to 3,587.87, 4,950.71 and 2,015.66 is: 2,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.87 : 4,950.71 = 2,015.66 : x
  2. Step 2: Convert to fraction form
    3,587.87/4,950.71 = 2,015.66/x
  3. Step 3: Cross multiply
    3,587.87x = 4,950.71 × 2,015.66
  4. Step 4: Simplify right side
    3,587.87x = 9,978,913.29
  5. Step 5: Solve for x
    x = 9,978,913.29/3,587.87
  6. Step 6: Final answer
    x = 2,781.30

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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.