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Finding the Fourth Proportional to 2,351.35, 3,525.77 and 790.83

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Solution

The fourth proportional to 2,351.35, 3,525.77 and 790.83 is: 1,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.35 : 3,525.77 = 790.83 : x
  2. Step 2: Convert to fraction form
    2,351.35/3,525.77 = 790.83/x
  3. Step 3: Cross multiply
    2,351.35x = 3,525.77 × 790.83
  4. Step 4: Simplify right side
    2,351.35x = 2,788,294.36
  5. Step 5: Solve for x
    x = 2,788,294.36/2,351.35
  6. Step 6: Final answer
    x = 1,185.83

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1.5x scale

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.