Home / 2,999.08-4,138.64-1,740.35

Finding the Fourth Proportional to 2,999.08, 4,138.64 and 1,740.35

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Solution

The fourth proportional to 2,999.08, 4,138.64 and 1,740.35 is: 2,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.08 : 4,138.64 = 1,740.35 : x
  2. Step 2: Convert to fraction form
    2,999.08/4,138.64 = 1,740.35/x
  3. Step 3: Cross multiply
    2,999.08x = 4,138.64 × 1,740.35
  4. Step 4: Simplify right side
    2,999.08x = 7,202,673.42
  5. Step 5: Solve for x
    x = 7,202,673.42/2,999.08
  6. Step 6: Final answer
    x = 2,401.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.