Home / 3,081.15-4,622.18-1,133.19

Finding the Fourth Proportional to 3,081.15, 4,622.18 and 1,133.19

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Solution

The fourth proportional to 3,081.15, 4,622.18 and 1,133.19 is: 1,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.15 : 4,622.18 = 1,133.19 : x
  2. Step 2: Convert to fraction form
    3,081.15/4,622.18 = 1,133.19/x
  3. Step 3: Cross multiply
    3,081.15x = 4,622.18 × 1,133.19
  4. Step 4: Simplify right side
    3,081.15x = 5,237,802.49
  5. Step 5: Solve for x
    x = 5,237,802.49/3,081.15
  6. Step 6: Final answer
    x = 1,699.95

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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.