Home / 2,739.88-4,108.30-1,875.24

Finding the Fourth Proportional to 2,739.88, 4,108.30 and 1,875.24

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Solution

The fourth proportional to 2,739.88, 4,108.30 and 1,875.24 is: 2,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.88 : 4,108.30 = 1,875.24 : x
  2. Step 2: Convert to fraction form
    2,739.88/4,108.30 = 1,875.24/x
  3. Step 3: Cross multiply
    2,739.88x = 4,108.30 × 1,875.24
  4. Step 4: Simplify right side
    2,739.88x = 7,704,048.49
  5. Step 5: Solve for x
    x = 7,704,048.49/2,739.88
  6. Step 6: Final answer
    x = 2,811.82

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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.