Home / 2,727.05-4,090.54-1,802.40

Finding the Fourth Proportional to 2,727.05, 4,090.54 and 1,802.40

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Solution

The fourth proportional to 2,727.05, 4,090.54 and 1,802.40 is: 2,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.05 : 4,090.54 = 1,802.40 : x
  2. Step 2: Convert to fraction form
    2,727.05/4,090.54 = 1,802.40/x
  3. Step 3: Cross multiply
    2,727.05x = 4,090.54 × 1,802.40
  4. Step 4: Simplify right side
    2,727.05x = 7,372,778.82
  5. Step 5: Solve for x
    x = 7,372,778.82/2,727.05
  6. Step 6: Final answer
    x = 2,703.57

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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.