Home / 2,422.36-3,343.30-1,583.76

Finding the Fourth Proportional to 2,422.36, 3,343.30 and 1,583.76

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Solution

The fourth proportional to 2,422.36, 3,343.30 and 1,583.76 is: 2,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.36 : 3,343.30 = 1,583.76 : x
  2. Step 2: Convert to fraction form
    2,422.36/3,343.30 = 1,583.76/x
  3. Step 3: Cross multiply
    2,422.36x = 3,343.30 × 1,583.76
  4. Step 4: Simplify right side
    2,422.36x = 5,294,984.81
  5. Step 5: Solve for x
    x = 5,294,984.81/2,422.36
  6. Step 6: Final answer
    x = 2,185.88

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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.