Home / 1,788.98-2,682.60-1,048.78

Finding the Fourth Proportional to 1,788.98, 2,682.60 and 1,048.78

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Solution

The fourth proportional to 1,788.98, 2,682.60 and 1,048.78 is: 1,572.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.98 : 2,682.60 = 1,048.78 : x
  2. Step 2: Convert to fraction form
    1,788.98/2,682.60 = 1,048.78/x
  3. Step 3: Cross multiply
    1,788.98x = 2,682.60 × 1,048.78
  4. Step 4: Simplify right side
    1,788.98x = 2,813,457.23
  5. Step 5: Solve for x
    x = 2,813,457.23/1,788.98
  6. Step 6: Final answer
    x = 1,572.66

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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.