Home / 1,623.09-2,434.62-699.30

Finding the Fourth Proportional to 1,623.09, 2,434.62 and 699.30

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Solution

The fourth proportional to 1,623.09, 2,434.62 and 699.30 is: 1,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.09 : 2,434.62 = 699.30 : x
  2. Step 2: Convert to fraction form
    1,623.09/2,434.62 = 699.30/x
  3. Step 3: Cross multiply
    1,623.09x = 2,434.62 × 699.30
  4. Step 4: Simplify right side
    1,623.09x = 1,702,529.77
  5. Step 5: Solve for x
    x = 1,702,529.77/1,623.09
  6. Step 6: Final answer
    x = 1,048.94

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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.