Home / 3,007.30-4,149.42-1,827.70

Finding the Fourth Proportional to 3,007.30, 4,149.42 and 1,827.70

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Solution

The fourth proportional to 3,007.30, 4,149.42 and 1,827.70 is: 2,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.30 : 4,149.42 = 1,827.70 : x
  2. Step 2: Convert to fraction form
    3,007.30/4,149.42 = 1,827.70/x
  3. Step 3: Cross multiply
    3,007.30x = 4,149.42 × 1,827.70
  4. Step 4: Simplify right side
    3,007.30x = 7,583,894.93
  5. Step 5: Solve for x
    x = 7,583,894.93/3,007.30
  6. Step 6: Final answer
    x = 2,521.83

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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.