Home / 2,601.42-3,589.99-1,539.15

Finding the Fourth Proportional to 2,601.42, 3,589.99 and 1,539.15

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Solution

The fourth proportional to 2,601.42, 3,589.99 and 1,539.15 is: 2,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.42 : 3,589.99 = 1,539.15 : x
  2. Step 2: Convert to fraction form
    2,601.42/3,589.99 = 1,539.15/x
  3. Step 3: Cross multiply
    2,601.42x = 3,589.99 × 1,539.15
  4. Step 4: Simplify right side
    2,601.42x = 5,525,546.81
  5. Step 5: Solve for x
    x = 5,525,546.81/2,601.42
  6. Step 6: Final answer
    x = 2,124.05

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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.