Home / 1,878.39-2,801.33-1,602.43

Finding the Fourth Proportional to 1,878.39, 2,801.33 and 1,602.43

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Solution

The fourth proportional to 1,878.39, 2,801.33 and 1,602.43 is: 2,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.39 : 2,801.33 = 1,602.43 : x
  2. Step 2: Convert to fraction form
    1,878.39/2,801.33 = 1,602.43/x
  3. Step 3: Cross multiply
    1,878.39x = 2,801.33 × 1,602.43
  4. Step 4: Simplify right side
    1,878.39x = 4,488,951.00
  5. Step 5: Solve for x
    x = 4,488,951.00/1,878.39
  6. Step 6: Final answer
    x = 2,389.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.