Home / 3,079.81-4,621.54-1,133.38

Finding the Fourth Proportional to 3,079.81, 4,621.54 and 1,133.38

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Solution

The fourth proportional to 3,079.81, 4,621.54 and 1,133.38 is: 1,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.81 : 4,621.54 = 1,133.38 : x
  2. Step 2: Convert to fraction form
    3,079.81/4,621.54 = 1,133.38/x
  3. Step 3: Cross multiply
    3,079.81x = 4,621.54 × 1,133.38
  4. Step 4: Simplify right side
    3,079.81x = 5,237,961.01
  5. Step 5: Solve for x
    x = 5,237,961.01/3,079.81
  6. Step 6: Final answer
    x = 1,700.74

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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.