Home / 2,431.50-3,647.26-1,043.66

Finding the Fourth Proportional to 2,431.50, 3,647.26 and 1,043.66

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Solution

The fourth proportional to 2,431.50, 3,647.26 and 1,043.66 is: 1,565.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.50 : 3,647.26 = 1,043.66 : x
  2. Step 2: Convert to fraction form
    2,431.50/3,647.26 = 1,043.66/x
  3. Step 3: Cross multiply
    2,431.50x = 3,647.26 × 1,043.66
  4. Step 4: Simplify right side
    2,431.50x = 3,806,499.37
  5. Step 5: Solve for x
    x = 3,806,499.37/2,431.50
  6. Step 6: Final answer
    x = 1,565.49

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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.