Home / 2,084.88-2,876.40-1,298.64

Finding the Fourth Proportional to 2,084.88, 2,876.40 and 1,298.64

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Solution

The fourth proportional to 2,084.88, 2,876.40 and 1,298.64 is: 1,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.88 : 2,876.40 = 1,298.64 : x
  2. Step 2: Convert to fraction form
    2,084.88/2,876.40 = 1,298.64/x
  3. Step 3: Cross multiply
    2,084.88x = 2,876.40 × 1,298.64
  4. Step 4: Simplify right side
    2,084.88x = 3,735,408.10
  5. Step 5: Solve for x
    x = 3,735,408.10/2,084.88
  6. Step 6: Final answer
    x = 1,791.67

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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.