Home / 2,989.91-4,480.31-2,052.24

Finding the Fourth Proportional to 2,989.91, 4,480.31 and 2,052.24

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Solution

The fourth proportional to 2,989.91, 4,480.31 and 2,052.24 is: 3,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.91 : 4,480.31 = 2,052.24 : x
  2. Step 2: Convert to fraction form
    2,989.91/4,480.31 = 2,052.24/x
  3. Step 3: Cross multiply
    2,989.91x = 4,480.31 × 2,052.24
  4. Step 4: Simplify right side
    2,989.91x = 9,194,659.72
  5. Step 5: Solve for x
    x = 9,194,659.72/2,989.91
  6. Step 6: Final answer
    x = 3,075.23

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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.