Home / 2,021.40-3,025.84-1,726.20

Finding the Fourth Proportional to 2,021.40, 3,025.84 and 1,726.20

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Solution

The fourth proportional to 2,021.40, 3,025.84 and 1,726.20 is: 2,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.40 : 3,025.84 = 1,726.20 : x
  2. Step 2: Convert to fraction form
    2,021.40/3,025.84 = 1,726.20/x
  3. Step 3: Cross multiply
    2,021.40x = 3,025.84 × 1,726.20
  4. Step 4: Simplify right side
    2,021.40x = 5,223,205.01
  5. Step 5: Solve for x
    x = 5,223,205.01/2,021.40
  6. Step 6: Final answer
    x = 2,583.95

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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.