Home / 3,557.75-4,909.68-2,065.77

Finding the Fourth Proportional to 3,557.75, 4,909.68 and 2,065.77

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Solution

The fourth proportional to 3,557.75, 4,909.68 and 2,065.77 is: 2,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.75 : 4,909.68 = 2,065.77 : x
  2. Step 2: Convert to fraction form
    3,557.75/4,909.68 = 2,065.77/x
  3. Step 3: Cross multiply
    3,557.75x = 4,909.68 × 2,065.77
  4. Step 4: Simplify right side
    3,557.75x = 10,142,269.65
  5. Step 5: Solve for x
    x = 10,142,269.65/3,557.75
  6. Step 6: Final answer
    x = 2,850.76

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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.