Home / 3,558.02-4,909.98-2,065.90

Finding the Fourth Proportional to 3,558.02, 4,909.98 and 2,065.90

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Solution

The fourth proportional to 3,558.02, 4,909.98 and 2,065.90 is: 2,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.02 : 4,909.98 = 2,065.90 : x
  2. Step 2: Convert to fraction form
    3,558.02/4,909.98 = 2,065.90/x
  3. Step 3: Cross multiply
    3,558.02x = 4,909.98 × 2,065.90
  4. Step 4: Simplify right side
    3,558.02x = 10,143,503.13
  5. Step 5: Solve for x
    x = 10,143,503.13/3,558.02
  6. Step 6: Final answer
    x = 2,850.89

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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.