Home / 3,051.27-4,577.19-830.13

Finding the Fourth Proportional to 3,051.27, 4,577.19 and 830.13

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Solution

The fourth proportional to 3,051.27, 4,577.19 and 830.13 is: 1,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.27 : 4,577.19 = 830.13 : x
  2. Step 2: Convert to fraction form
    3,051.27/4,577.19 = 830.13/x
  3. Step 3: Cross multiply
    3,051.27x = 4,577.19 × 830.13
  4. Step 4: Simplify right side
    3,051.27x = 3,799,639.85
  5. Step 5: Solve for x
    x = 3,799,639.85/3,051.27
  6. Step 6: Final answer
    x = 1,245.27

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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.