Home / 3,462.38-4,778.01-1,890.50

Finding the Fourth Proportional to 3,462.38, 4,778.01 and 1,890.50

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Solution

The fourth proportional to 3,462.38, 4,778.01 and 1,890.50 is: 2,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.38 : 4,778.01 = 1,890.50 : x
  2. Step 2: Convert to fraction form
    3,462.38/4,778.01 = 1,890.50/x
  3. Step 3: Cross multiply
    3,462.38x = 4,778.01 × 1,890.50
  4. Step 4: Simplify right side
    3,462.38x = 9,032,827.91
  5. Step 5: Solve for x
    x = 9,032,827.91/3,462.38
  6. Step 6: Final answer
    x = 2,608.85

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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.