Home / 2,085.30-3,108.03-2,025.90

Finding the Fourth Proportional to 2,085.30, 3,108.03 and 2,025.90

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Solution

The fourth proportional to 2,085.30, 3,108.03 and 2,025.90 is: 3,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.30 : 3,108.03 = 2,025.90 : x
  2. Step 2: Convert to fraction form
    2,085.30/3,108.03 = 2,025.90/x
  3. Step 3: Cross multiply
    2,085.30x = 3,108.03 × 2,025.90
  4. Step 4: Simplify right side
    2,085.30x = 6,296,557.98
  5. Step 5: Solve for x
    x = 6,296,557.98/2,085.30
  6. Step 6: Final answer
    x = 3,019.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.