Home / 1,522.24-2,283.36-426.46

Finding the Fourth Proportional to 1,522.24, 2,283.36 and 426.46

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Solution

The fourth proportional to 1,522.24, 2,283.36 and 426.46 is: 639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.24 : 2,283.36 = 426.46 : x
  2. Step 2: Convert to fraction form
    1,522.24/2,283.36 = 426.46/x
  3. Step 3: Cross multiply
    1,522.24x = 2,283.36 × 426.46
  4. Step 4: Simplify right side
    1,522.24x = 973,761.71
  5. Step 5: Solve for x
    x = 973,761.71/1,522.24
  6. Step 6: Final answer
    x = 639.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.