Home / 2,739.69-4,108.93-1,095.80

Finding the Fourth Proportional to 2,739.69, 4,108.93 and 1,095.80

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Solution

The fourth proportional to 2,739.69, 4,108.93 and 1,095.80 is: 1,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.69 : 4,108.93 = 1,095.80 : x
  2. Step 2: Convert to fraction form
    2,739.69/4,108.93 = 1,095.80/x
  3. Step 3: Cross multiply
    2,739.69x = 4,108.93 × 1,095.80
  4. Step 4: Simplify right side
    2,739.69x = 4,502,542.21
  5. Step 5: Solve for x
    x = 4,502,542.21/2,739.69
  6. Step 6: Final answer
    x = 1,643.45

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1.5x scale

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.