Home / 2,050.47-3,079.85-1,230.30

Finding the Fourth Proportional to 2,050.47, 3,079.85 and 1,230.30

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Solution

The fourth proportional to 2,050.47, 3,079.85 and 1,230.30 is: 1,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.47 : 3,079.85 = 1,230.30 : x
  2. Step 2: Convert to fraction form
    2,050.47/3,079.85 = 1,230.30/x
  3. Step 3: Cross multiply
    2,050.47x = 3,079.85 × 1,230.30
  4. Step 4: Simplify right side
    2,050.47x = 3,789,133.30
  5. Step 5: Solve for x
    x = 3,789,133.30/2,050.47
  6. Step 6: Final answer
    x = 1,847.93

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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.