Home / 2,144.36-2,959.09-1,347.83

Finding the Fourth Proportional to 2,144.36, 2,959.09 and 1,347.83

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Solution

The fourth proportional to 2,144.36, 2,959.09 and 1,347.83 is: 1,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.36 : 2,959.09 = 1,347.83 : x
  2. Step 2: Convert to fraction form
    2,144.36/2,959.09 = 1,347.83/x
  3. Step 3: Cross multiply
    2,144.36x = 2,959.09 × 1,347.83
  4. Step 4: Simplify right side
    2,144.36x = 3,988,350.27
  5. Step 5: Solve for x
    x = 3,988,350.27/2,144.36
  6. Step 6: Final answer
    x = 1,859.93

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1.5x scale

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.