Home / 4,146.49-5,722.28-2,378.44

Finding the Fourth Proportional to 4,146.49, 5,722.28 and 2,378.44

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Solution

The fourth proportional to 4,146.49, 5,722.28 and 2,378.44 is: 3,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.49 : 5,722.28 = 2,378.44 : x
  2. Step 2: Convert to fraction form
    4,146.49/5,722.28 = 2,378.44/x
  3. Step 3: Cross multiply
    4,146.49x = 5,722.28 × 2,378.44
  4. Step 4: Simplify right side
    4,146.49x = 13,610,099.64
  5. Step 5: Solve for x
    x = 13,610,099.64/4,146.49
  6. Step 6: Final answer
    x = 3,282.32

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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.