Home / 2,788.43-4,176.56-1,810.35

Finding the Fourth Proportional to 2,788.43, 4,176.56 and 1,810.35

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Solution

The fourth proportional to 2,788.43, 4,176.56 and 1,810.35 is: 2,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.43 : 4,176.56 = 1,810.35 : x
  2. Step 2: Convert to fraction form
    2,788.43/4,176.56 = 1,810.35/x
  3. Step 3: Cross multiply
    2,788.43x = 4,176.56 × 1,810.35
  4. Step 4: Simplify right side
    2,788.43x = 7,561,039.92
  5. Step 5: Solve for x
    x = 7,561,039.92/2,788.43
  6. Step 6: Final answer
    x = 2,711.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.