Home / 2,876.58-3,972.81-1,829.28

Finding the Fourth Proportional to 2,876.58, 3,972.81 and 1,829.28

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Solution

The fourth proportional to 2,876.58, 3,972.81 and 1,829.28 is: 2,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.58 : 3,972.81 = 1,829.28 : x
  2. Step 2: Convert to fraction form
    2,876.58/3,972.81 = 1,829.28/x
  3. Step 3: Cross multiply
    2,876.58x = 3,972.81 × 1,829.28
  4. Step 4: Simplify right side
    2,876.58x = 7,267,381.88
  5. Step 5: Solve for x
    x = 7,267,381.88/2,876.58
  6. Step 6: Final answer
    x = 2,526.40

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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.