Home / 1,356.09-2,030.82-1,224.61

Finding the Fourth Proportional to 1,356.09, 2,030.82 and 1,224.61

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Solution

The fourth proportional to 1,356.09, 2,030.82 and 1,224.61 is: 1,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.09 : 2,030.82 = 1,224.61 : x
  2. Step 2: Convert to fraction form
    1,356.09/2,030.82 = 1,224.61/x
  3. Step 3: Cross multiply
    1,356.09x = 2,030.82 × 1,224.61
  4. Step 4: Simplify right side
    1,356.09x = 2,486,968.81
  5. Step 5: Solve for x
    x = 2,486,968.81/1,356.09
  6. Step 6: Final answer
    x = 1,833.93

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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.