Home / 1,356.49-2,030.77-1,226.79

Finding the Fourth Proportional to 1,356.49, 2,030.77 and 1,226.79

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Solution

The fourth proportional to 1,356.49, 2,030.77 and 1,226.79 is: 1,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.49 : 2,030.77 = 1,226.79 : x
  2. Step 2: Convert to fraction form
    1,356.49/2,030.77 = 1,226.79/x
  3. Step 3: Cross multiply
    1,356.49x = 2,030.77 × 1,226.79
  4. Step 4: Simplify right side
    1,356.49x = 2,491,328.33
  5. Step 5: Solve for x
    x = 2,491,328.33/1,356.49
  6. Step 6: Final answer
    x = 1,836.60

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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.