Home / 1,615.94-2,226.44-1,349.39

Finding the Fourth Proportional to 1,615.94, 2,226.44 and 1,349.39

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Solution

The fourth proportional to 1,615.94, 2,226.44 and 1,349.39 is: 1,859.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.94 : 2,226.44 = 1,349.39 : x
  2. Step 2: Convert to fraction form
    1,615.94/2,226.44 = 1,349.39/x
  3. Step 3: Cross multiply
    1,615.94x = 2,226.44 × 1,349.39
  4. Step 4: Simplify right side
    1,615.94x = 3,004,317.99
  5. Step 5: Solve for x
    x = 3,004,317.99/1,615.94
  6. Step 6: Final answer
    x = 1,859.18

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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.