Home / 2,625.76-3,933.39-1,585.21

Finding the Fourth Proportional to 2,625.76, 3,933.39 and 1,585.21

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Solution

The fourth proportional to 2,625.76, 3,933.39 and 1,585.21 is: 2,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.76 : 3,933.39 = 1,585.21 : x
  2. Step 2: Convert to fraction form
    2,625.76/3,933.39 = 1,585.21/x
  3. Step 3: Cross multiply
    2,625.76x = 3,933.39 × 1,585.21
  4. Step 4: Simplify right side
    2,625.76x = 6,235,249.16
  5. Step 5: Solve for x
    x = 6,235,249.16/2,625.76
  6. Step 6: Final answer
    x = 2,374.65

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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.