Home / 3,203.83-4,421.10-1,787.65

Finding the Fourth Proportional to 3,203.83, 4,421.10 and 1,787.65

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Solution

The fourth proportional to 3,203.83, 4,421.10 and 1,787.65 is: 2,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.83 : 4,421.10 = 1,787.65 : x
  2. Step 2: Convert to fraction form
    3,203.83/4,421.10 = 1,787.65/x
  3. Step 3: Cross multiply
    3,203.83x = 4,421.10 × 1,787.65
  4. Step 4: Simplify right side
    3,203.83x = 7,903,379.42
  5. Step 5: Solve for x
    x = 7,903,379.42/3,203.83
  6. Step 6: Final answer
    x = 2,466.85

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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.