Home / 1,623.84-2,436.12-469.50

Finding the Fourth Proportional to 1,623.84, 2,436.12 and 469.50

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Solution

The fourth proportional to 1,623.84, 2,436.12 and 469.50 is: 704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.84 : 2,436.12 = 469.50 : x
  2. Step 2: Convert to fraction form
    1,623.84/2,436.12 = 469.50/x
  3. Step 3: Cross multiply
    1,623.84x = 2,436.12 × 469.50
  4. Step 4: Simplify right side
    1,623.84x = 1,143,758.34
  5. Step 5: Solve for x
    x = 1,143,758.34/1,623.84
  6. Step 6: Final answer
    x = 704.35

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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.