Home / 2,379.63-3,283.10-1,541.40

Finding the Fourth Proportional to 2,379.63, 3,283.10 and 1,541.40

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Solution

The fourth proportional to 2,379.63, 3,283.10 and 1,541.40 is: 2,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.63 : 3,283.10 = 1,541.40 : x
  2. Step 2: Convert to fraction form
    2,379.63/3,283.10 = 1,541.40/x
  3. Step 3: Cross multiply
    2,379.63x = 3,283.10 × 1,541.40
  4. Step 4: Simplify right side
    2,379.63x = 5,060,562.63
  5. Step 5: Solve for x
    x = 5,060,562.63/2,379.63
  6. Step 6: Final answer
    x = 2,126.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.