Home / 2,739.47-4,108.59-1,095.57

Finding the Fourth Proportional to 2,739.47, 4,108.59 and 1,095.57

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Solution

The fourth proportional to 2,739.47, 4,108.59 and 1,095.57 is: 1,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.47 : 4,108.59 = 1,095.57 : x
  2. Step 2: Convert to fraction form
    2,739.47/4,108.59 = 1,095.57/x
  3. Step 3: Cross multiply
    2,739.47x = 4,108.59 × 1,095.57
  4. Step 4: Simplify right side
    2,739.47x = 4,501,247.95
  5. Step 5: Solve for x
    x = 4,501,247.95/2,739.47
  6. Step 6: Final answer
    x = 1,643.11

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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.