Home / 2,998.02-4,138.19-1,739.40

Finding the Fourth Proportional to 2,998.02, 4,138.19 and 1,739.40

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Solution

The fourth proportional to 2,998.02, 4,138.19 and 1,739.40 is: 2,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.02 : 4,138.19 = 1,739.40 : x
  2. Step 2: Convert to fraction form
    2,998.02/4,138.19 = 1,739.40/x
  3. Step 3: Cross multiply
    2,998.02x = 4,138.19 × 1,739.40
  4. Step 4: Simplify right side
    2,998.02x = 7,197,967.69
  5. Step 5: Solve for x
    x = 7,197,967.69/2,998.02
  6. Step 6: Final answer
    x = 2,400.91

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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.