Home / 1,607.72-2,216.77-1,491.08

Finding the Fourth Proportional to 1,607.72, 2,216.77 and 1,491.08

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Solution

The fourth proportional to 1,607.72, 2,216.77 and 1,491.08 is: 2,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.72 : 2,216.77 = 1,491.08 : x
  2. Step 2: Convert to fraction form
    1,607.72/2,216.77 = 1,491.08/x
  3. Step 3: Cross multiply
    1,607.72x = 2,216.77 × 1,491.08
  4. Step 4: Simplify right side
    1,607.72x = 3,305,366.60
  5. Step 5: Solve for x
    x = 3,305,366.60/1,607.72
  6. Step 6: Final answer
    x = 2,055.94

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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.