Home / 3,771.61-5,652.86-1,577.77

Finding the Fourth Proportional to 3,771.61, 5,652.86 and 1,577.77

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Solution

The fourth proportional to 3,771.61, 5,652.86 and 1,577.77 is: 2,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.61 : 5,652.86 = 1,577.77 : x
  2. Step 2: Convert to fraction form
    3,771.61/5,652.86 = 1,577.77/x
  3. Step 3: Cross multiply
    3,771.61x = 5,652.86 × 1,577.77
  4. Step 4: Simplify right side
    3,771.61x = 8,918,890.90
  5. Step 5: Solve for x
    x = 8,918,890.90/3,771.61
  6. Step 6: Final answer
    x = 2,364.75

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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.