Home / 1,628.93-2,248.31-1,577.04

Finding the Fourth Proportional to 1,628.93, 2,248.31 and 1,577.04

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Solution

The fourth proportional to 1,628.93, 2,248.31 and 1,577.04 is: 2,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.93 : 2,248.31 = 1,577.04 : x
  2. Step 2: Convert to fraction form
    1,628.93/2,248.31 = 1,577.04/x
  3. Step 3: Cross multiply
    1,628.93x = 2,248.31 × 1,577.04
  4. Step 4: Simplify right side
    1,628.93x = 3,545,661.44
  5. Step 5: Solve for x
    x = 3,545,661.44/1,628.93
  6. Step 6: Final answer
    x = 2,176.69

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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.