Home / 3,558.02-4,910.28-1,986.08

Finding the Fourth Proportional to 3,558.02, 4,910.28 and 1,986.08

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Solution

The fourth proportional to 3,558.02, 4,910.28 and 1,986.08 is: 2,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.02 : 4,910.28 = 1,986.08 : x
  2. Step 2: Convert to fraction form
    3,558.02/4,910.28 = 1,986.08/x
  3. Step 3: Cross multiply
    3,558.02x = 4,910.28 × 1,986.08
  4. Step 4: Simplify right side
    3,558.02x = 9,752,208.90
  5. Step 5: Solve for x
    x = 9,752,208.90/3,558.02
  6. Step 6: Final answer
    x = 2,740.91

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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.