Home / 2,810.45-4,215.16-1,144.17

Finding the Fourth Proportional to 2,810.45, 4,215.16 and 1,144.17

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Solution

The fourth proportional to 2,810.45, 4,215.16 and 1,144.17 is: 1,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.45 : 4,215.16 = 1,144.17 : x
  2. Step 2: Convert to fraction form
    2,810.45/4,215.16 = 1,144.17/x
  3. Step 3: Cross multiply
    2,810.45x = 4,215.16 × 1,144.17
  4. Step 4: Simplify right side
    2,810.45x = 4,822,859.62
  5. Step 5: Solve for x
    x = 4,822,859.62/2,810.45
  6. Step 6: Final answer
    x = 1,716.05

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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.