Home / 1,623.62-2,435.77-1,038.37

Finding the Fourth Proportional to 1,623.62, 2,435.77 and 1,038.37

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Solution

The fourth proportional to 1,623.62, 2,435.77 and 1,038.37 is: 1,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.62 : 2,435.77 = 1,038.37 : x
  2. Step 2: Convert to fraction form
    1,623.62/2,435.77 = 1,038.37/x
  3. Step 3: Cross multiply
    1,623.62x = 2,435.77 × 1,038.37
  4. Step 4: Simplify right side
    1,623.62x = 2,529,230.27
  5. Step 5: Solve for x
    x = 2,529,230.27/1,623.62
  6. Step 6: Final answer
    x = 1,557.77

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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.