Home / 3,623.10-5,431.95-1,541.40

Finding the Fourth Proportional to 3,623.10, 5,431.95 and 1,541.40

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Solution

The fourth proportional to 3,623.10, 5,431.95 and 1,541.40 is: 2,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.10 : 5,431.95 = 1,541.40 : x
  2. Step 2: Convert to fraction form
    3,623.10/5,431.95 = 1,541.40/x
  3. Step 3: Cross multiply
    3,623.10x = 5,431.95 × 1,541.40
  4. Step 4: Simplify right side
    3,623.10x = 8,372,807.73
  5. Step 5: Solve for x
    x = 8,372,807.73/3,623.10
  6. Step 6: Final answer
    x = 2,310.95

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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.