Home / 1,606.78-2,216.55-1,252.06

Finding the Fourth Proportional to 1,606.78, 2,216.55 and 1,252.06

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Solution

The fourth proportional to 1,606.78, 2,216.55 and 1,252.06 is: 1,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.78 : 2,216.55 = 1,252.06 : x
  2. Step 2: Convert to fraction form
    1,606.78/2,216.55 = 1,252.06/x
  3. Step 3: Cross multiply
    1,606.78x = 2,216.55 × 1,252.06
  4. Step 4: Simplify right side
    1,606.78x = 2,775,253.59
  5. Step 5: Solve for x
    x = 2,775,253.59/1,606.78
  6. Step 6: Final answer
    x = 1,727.22

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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.