Home / 1,677.44-2,315.54-1,633.28

Finding the Fourth Proportional to 1,677.44, 2,315.54 and 1,633.28

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Solution

The fourth proportional to 1,677.44, 2,315.54 and 1,633.28 is: 2,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.44 : 2,315.54 = 1,633.28 : x
  2. Step 2: Convert to fraction form
    1,677.44/2,315.54 = 1,633.28/x
  3. Step 3: Cross multiply
    1,677.44x = 2,315.54 × 1,633.28
  4. Step 4: Simplify right side
    1,677.44x = 3,781,925.17
  5. Step 5: Solve for x
    x = 3,781,925.17/1,677.44
  6. Step 6: Final answer
    x = 2,254.58

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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.