Home / 3,403.08-4,695.30-1,986.12

Finding the Fourth Proportional to 3,403.08, 4,695.30 and 1,986.12

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Solution

The fourth proportional to 3,403.08, 4,695.30 and 1,986.12 is: 2,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.08 : 4,695.30 = 1,986.12 : x
  2. Step 2: Convert to fraction form
    3,403.08/4,695.30 = 1,986.12/x
  3. Step 3: Cross multiply
    3,403.08x = 4,695.30 × 1,986.12
  4. Step 4: Simplify right side
    3,403.08x = 9,325,429.24
  5. Step 5: Solve for x
    x = 9,325,429.24/3,403.08
  6. Step 6: Final answer
    x = 2,740.29

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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.