Home / 2,292.99-3,164.32-1,245.05

Finding the Fourth Proportional to 2,292.99, 3,164.32 and 1,245.05

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Solution

The fourth proportional to 2,292.99, 3,164.32 and 1,245.05 is: 1,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.99 : 3,164.32 = 1,245.05 : x
  2. Step 2: Convert to fraction form
    2,292.99/3,164.32 = 1,245.05/x
  3. Step 3: Cross multiply
    2,292.99x = 3,164.32 × 1,245.05
  4. Step 4: Simplify right side
    2,292.99x = 3,939,736.62
  5. Step 5: Solve for x
    x = 3,939,736.62/2,292.99
  6. Step 6: Final answer
    x = 1,718.17

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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.