Home / 3,809.08-5,707.50-2,830.24

Finding the Fourth Proportional to 3,809.08, 5,707.50 and 2,830.24

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Solution

The fourth proportional to 3,809.08, 5,707.50 and 2,830.24 is: 4,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.08 : 5,707.50 = 2,830.24 : x
  2. Step 2: Convert to fraction form
    3,809.08/5,707.50 = 2,830.24/x
  3. Step 3: Cross multiply
    3,809.08x = 5,707.50 × 2,830.24
  4. Step 4: Simplify right side
    3,809.08x = 16,153,594.80
  5. Step 5: Solve for x
    x = 16,153,594.80/3,809.08
  6. Step 6: Final answer
    x = 4,240.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.