Home / 2,184.99-3,015.25-1,190.22

Finding the Fourth Proportional to 2,184.99, 3,015.25 and 1,190.22

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Solution

The fourth proportional to 2,184.99, 3,015.25 and 1,190.22 is: 1,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.99 : 3,015.25 = 1,190.22 : x
  2. Step 2: Convert to fraction form
    2,184.99/3,015.25 = 1,190.22/x
  3. Step 3: Cross multiply
    2,184.99x = 3,015.25 × 1,190.22
  4. Step 4: Simplify right side
    2,184.99x = 3,588,810.86
  5. Step 5: Solve for x
    x = 3,588,810.86/2,184.99
  6. Step 6: Final answer
    x = 1,642.48

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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.