Home / 1,433.98-2,153.85-1,253.26

Finding the Fourth Proportional to 1,433.98, 2,153.85 and 1,253.26

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Solution

The fourth proportional to 1,433.98, 2,153.85 and 1,253.26 is: 1,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.98 : 2,153.85 = 1,253.26 : x
  2. Step 2: Convert to fraction form
    1,433.98/2,153.85 = 1,253.26/x
  3. Step 3: Cross multiply
    1,433.98x = 2,153.85 × 1,253.26
  4. Step 4: Simplify right side
    1,433.98x = 2,699,334.05
  5. Step 5: Solve for x
    x = 2,699,334.05/1,433.98
  6. Step 6: Final answer
    x = 1,882.41

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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.