Home / 2,323.37-3,204.79-1,378.49

Finding the Fourth Proportional to 2,323.37, 3,204.79 and 1,378.49

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Solution

The fourth proportional to 2,323.37, 3,204.79 and 1,378.49 is: 1,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.37 : 3,204.79 = 1,378.49 : x
  2. Step 2: Convert to fraction form
    2,323.37/3,204.79 = 1,378.49/x
  3. Step 3: Cross multiply
    2,323.37x = 3,204.79 × 1,378.49
  4. Step 4: Simplify right side
    2,323.37x = 4,417,770.97
  5. Step 5: Solve for x
    x = 4,417,770.97/2,323.37
  6. Step 6: Final answer
    x = 1,901.45

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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.