Home / 2,356.85-3,250.01-2,021.90

Finding the Fourth Proportional to 2,356.85, 3,250.01 and 2,021.90

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Solution

The fourth proportional to 2,356.85, 3,250.01 and 2,021.90 is: 2,788.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.85 : 3,250.01 = 2,021.90 : x
  2. Step 2: Convert to fraction form
    2,356.85/3,250.01 = 2,021.90/x
  3. Step 3: Cross multiply
    2,356.85x = 3,250.01 × 2,021.90
  4. Step 4: Simplify right side
    2,356.85x = 6,571,168.86
  5. Step 5: Solve for x
    x = 6,571,168.86/2,356.85
  6. Step 6: Final answer
    x = 2,788.12

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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.