Home / 2,371.07-3,555.70-1,638.43

Finding the Fourth Proportional to 2,371.07, 3,555.70 and 1,638.43

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Solution

The fourth proportional to 2,371.07, 3,555.70 and 1,638.43 is: 2,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.07 : 3,555.70 = 1,638.43 : x
  2. Step 2: Convert to fraction form
    2,371.07/3,555.70 = 1,638.43/x
  3. Step 3: Cross multiply
    2,371.07x = 3,555.70 × 1,638.43
  4. Step 4: Simplify right side
    2,371.07x = 5,825,752.57
  5. Step 5: Solve for x
    x = 5,825,752.57/2,371.07
  6. Step 6: Final answer
    x = 2,457.01

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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.