Home / 3,081.06-4,621.59-1,133.28

Finding the Fourth Proportional to 3,081.06, 4,621.59 and 1,133.28

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Solution

The fourth proportional to 3,081.06, 4,621.59 and 1,133.28 is: 1,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.06 : 4,621.59 = 1,133.28 : x
  2. Step 2: Convert to fraction form
    3,081.06/4,621.59 = 1,133.28/x
  3. Step 3: Cross multiply
    3,081.06x = 4,621.59 × 1,133.28
  4. Step 4: Simplify right side
    3,081.06x = 5,237,555.52
  5. Step 5: Solve for x
    x = 5,237,555.52/3,081.06
  6. Step 6: Final answer
    x = 1,699.92

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Similar ratio
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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.