Home / 1,622.39-2,433.60-468.14

Finding the Fourth Proportional to 1,622.39, 2,433.60 and 468.14

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Solution

The fourth proportional to 1,622.39, 2,433.60 and 468.14 is: 702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.39 : 2,433.60 = 468.14 : x
  2. Step 2: Convert to fraction form
    1,622.39/2,433.60 = 468.14/x
  3. Step 3: Cross multiply
    1,622.39x = 2,433.60 × 468.14
  4. Step 4: Simplify right side
    1,622.39x = 1,139,253.34
  5. Step 5: Solve for x
    x = 1,139,253.34/1,622.39
  6. Step 6: Final answer
    x = 702.21

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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.