Home / 2,954.93-4,078.40-1,836.59

Finding the Fourth Proportional to 2,954.93, 4,078.40 and 1,836.59

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Solution

The fourth proportional to 2,954.93, 4,078.40 and 1,836.59 is: 2,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.93 : 4,078.40 = 1,836.59 : x
  2. Step 2: Convert to fraction form
    2,954.93/4,078.40 = 1,836.59/x
  3. Step 3: Cross multiply
    2,954.93x = 4,078.40 × 1,836.59
  4. Step 4: Simplify right side
    2,954.93x = 7,490,319.08
  5. Step 5: Solve for x
    x = 7,490,319.08/2,954.93
  6. Step 6: Final answer
    x = 2,534.86

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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.