Home / 3,189.12-4,784.49-1,341.24

Finding the Fourth Proportional to 3,189.12, 4,784.49 and 1,341.24

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Solution

The fourth proportional to 3,189.12, 4,784.49 and 1,341.24 is: 2,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.12 : 4,784.49 = 1,341.24 : x
  2. Step 2: Convert to fraction form
    3,189.12/4,784.49 = 1,341.24/x
  3. Step 3: Cross multiply
    3,189.12x = 4,784.49 × 1,341.24
  4. Step 4: Simplify right side
    3,189.12x = 6,417,149.37
  5. Step 5: Solve for x
    x = 6,417,149.37/3,189.12
  6. Step 6: Final answer
    x = 2,012.20

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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.