Home / 2,853.37-3,955.70-2,703.39

Finding the Fourth Proportional to 2,853.37, 3,955.70 and 2,703.39

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Solution

The fourth proportional to 2,853.37, 3,955.70 and 2,703.39 is: 3,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.37 : 3,955.70 = 2,703.39 : x
  2. Step 2: Convert to fraction form
    2,853.37/3,955.70 = 2,703.39/x
  3. Step 3: Cross multiply
    2,853.37x = 3,955.70 × 2,703.39
  4. Step 4: Simplify right side
    2,853.37x = 10,693,786.31
  5. Step 5: Solve for x
    x = 10,693,786.31/2,853.37
  6. Step 6: Final answer
    x = 3,747.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.