Home / 3,756.58-5,185.96-2,431.35

Finding the Fourth Proportional to 3,756.58, 5,185.96 and 2,431.35

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Solution

The fourth proportional to 3,756.58, 5,185.96 and 2,431.35 is: 3,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.58 : 5,185.96 = 2,431.35 : x
  2. Step 2: Convert to fraction form
    3,756.58/5,185.96 = 2,431.35/x
  3. Step 3: Cross multiply
    3,756.58x = 5,185.96 × 2,431.35
  4. Step 4: Simplify right side
    3,756.58x = 12,608,877.77
  5. Step 5: Solve for x
    x = 12,608,877.77/3,756.58
  6. Step 6: Final answer
    x = 3,356.48

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1.5x scale

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.