Home / 2,407.41-3,605.85-1,431.36

Finding the Fourth Proportional to 2,407.41, 3,605.85 and 1,431.36

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Solution

The fourth proportional to 2,407.41, 3,605.85 and 1,431.36 is: 2,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.41 : 3,605.85 = 1,431.36 : x
  2. Step 2: Convert to fraction form
    2,407.41/3,605.85 = 1,431.36/x
  3. Step 3: Cross multiply
    2,407.41x = 3,605.85 × 1,431.36
  4. Step 4: Simplify right side
    2,407.41x = 5,161,269.46
  5. Step 5: Solve for x
    x = 5,161,269.46/2,407.41
  6. Step 6: Final answer
    x = 2,143.91

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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.