Home / 3,090.36-4,632.66-1,142.04

Finding the Fourth Proportional to 3,090.36, 4,632.66 and 1,142.04

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Solution

The fourth proportional to 3,090.36, 4,632.66 and 1,142.04 is: 1,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.36 : 4,632.66 = 1,142.04 : x
  2. Step 2: Convert to fraction form
    3,090.36/4,632.66 = 1,142.04/x
  3. Step 3: Cross multiply
    3,090.36x = 4,632.66 × 1,142.04
  4. Step 4: Simplify right side
    3,090.36x = 5,290,683.03
  5. Step 5: Solve for x
    x = 5,290,683.03/3,090.36
  6. Step 6: Final answer
    x = 1,712.00

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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.