Home / 2,422.24-3,342.66-1,427.56

Finding the Fourth Proportional to 2,422.24, 3,342.66 and 1,427.56

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Solution

The fourth proportional to 2,422.24, 3,342.66 and 1,427.56 is: 1,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.24 : 3,342.66 = 1,427.56 : x
  2. Step 2: Convert to fraction form
    2,422.24/3,342.66 = 1,427.56/x
  3. Step 3: Cross multiply
    2,422.24x = 3,342.66 × 1,427.56
  4. Step 4: Simplify right side
    2,422.24x = 4,771,847.71
  5. Step 5: Solve for x
    x = 4,771,847.71/2,422.24
  6. Step 6: Final answer
    x = 1,970.01

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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.