Home / 3,558.32-4,910.52-1,986.52

Finding the Fourth Proportional to 3,558.32, 4,910.52 and 1,986.52

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Solution

The fourth proportional to 3,558.32, 4,910.52 and 1,986.52 is: 2,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.32 : 4,910.52 = 1,986.52 : x
  2. Step 2: Convert to fraction form
    3,558.32/4,910.52 = 1,986.52/x
  3. Step 3: Cross multiply
    3,558.32x = 4,910.52 × 1,986.52
  4. Step 4: Simplify right side
    3,558.32x = 9,754,846.19
  5. Step 5: Solve for x
    x = 9,754,846.19/3,558.32
  6. Step 6: Final answer
    x = 2,741.42

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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.