Home / 2,253.35-3,112.63-1,812.92

Finding the Fourth Proportional to 2,253.35, 3,112.63 and 1,812.92

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Solution

The fourth proportional to 2,253.35, 3,112.63 and 1,812.92 is: 2,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.35 : 3,112.63 = 1,812.92 : x
  2. Step 2: Convert to fraction form
    2,253.35/3,112.63 = 1,812.92/x
  3. Step 3: Cross multiply
    2,253.35x = 3,112.63 × 1,812.92
  4. Step 4: Simplify right side
    2,253.35x = 5,642,929.08
  5. Step 5: Solve for x
    x = 5,642,929.08/2,253.35
  6. Step 6: Final answer
    x = 2,504.24

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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.