Home / 3,741.60-5,606.32-1,986.46

Finding the Fourth Proportional to 3,741.60, 5,606.32 and 1,986.46

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Solution

The fourth proportional to 3,741.60, 5,606.32 and 1,986.46 is: 2,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.60 : 5,606.32 = 1,986.46 : x
  2. Step 2: Convert to fraction form
    3,741.60/5,606.32 = 1,986.46/x
  3. Step 3: Cross multiply
    3,741.60x = 5,606.32 × 1,986.46
  4. Step 4: Simplify right side
    3,741.60x = 11,136,725.46
  5. Step 5: Solve for x
    x = 11,136,725.46/3,741.60
  6. Step 6: Final answer
    x = 2,976.46

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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.