Home / 3,334.83-4,603.53-1,990.90

Finding the Fourth Proportional to 3,334.83, 4,603.53 and 1,990.90

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Solution

The fourth proportional to 3,334.83, 4,603.53 and 1,990.90 is: 2,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.83 : 4,603.53 = 1,990.90 : x
  2. Step 2: Convert to fraction form
    3,334.83/4,603.53 = 1,990.90/x
  3. Step 3: Cross multiply
    3,334.83x = 4,603.53 × 1,990.90
  4. Step 4: Simplify right side
    3,334.83x = 9,165,167.88
  5. Step 5: Solve for x
    x = 9,165,167.88/3,334.83
  6. Step 6: Final answer
    x = 2,748.32

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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.