Home / 3,149.05-4,345.63-2,030.19

Finding the Fourth Proportional to 3,149.05, 4,345.63 and 2,030.19

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Solution

The fourth proportional to 3,149.05, 4,345.63 and 2,030.19 is: 2,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.05 : 4,345.63 = 2,030.19 : x
  2. Step 2: Convert to fraction form
    3,149.05/4,345.63 = 2,030.19/x
  3. Step 3: Cross multiply
    3,149.05x = 4,345.63 × 2,030.19
  4. Step 4: Simplify right side
    3,149.05x = 8,822,454.57
  5. Step 5: Solve for x
    x = 8,822,454.57/3,149.05
  6. Step 6: Final answer
    x = 2,801.62

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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.