Home / 2,739.16-4,109.10-1,440.70

Finding the Fourth Proportional to 2,739.16, 4,109.10 and 1,440.70

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Solution

The fourth proportional to 2,739.16, 4,109.10 and 1,440.70 is: 2,161.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.16 : 4,109.10 = 1,440.70 : x
  2. Step 2: Convert to fraction form
    2,739.16/4,109.10 = 1,440.70/x
  3. Step 3: Cross multiply
    2,739.16x = 4,109.10 × 1,440.70
  4. Step 4: Simplify right side
    2,739.16x = 5,919,980.37
  5. Step 5: Solve for x
    x = 5,919,980.37/2,739.16
  6. Step 6: Final answer
    x = 2,161.24

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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.