Home / 4,146.80-5,722.45-2,378.36

Finding the Fourth Proportional to 4,146.80, 5,722.45 and 2,378.36

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Solution

The fourth proportional to 4,146.80, 5,722.45 and 2,378.36 is: 3,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.80 : 5,722.45 = 2,378.36 : x
  2. Step 2: Convert to fraction form
    4,146.80/5,722.45 = 2,378.36/x
  3. Step 3: Cross multiply
    4,146.80x = 5,722.45 × 2,378.36
  4. Step 4: Simplify right side
    4,146.80x = 13,610,054.54
  5. Step 5: Solve for x
    x = 13,610,054.54/4,146.80
  6. Step 6: Final answer
    x = 3,282.07

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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.