Home / 2,647.10-3,970.68-1,825.16

Finding the Fourth Proportional to 2,647.10, 3,970.68 and 1,825.16

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Solution

The fourth proportional to 2,647.10, 3,970.68 and 1,825.16 is: 2,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.10 : 3,970.68 = 1,825.16 : x
  2. Step 2: Convert to fraction form
    2,647.10/3,970.68 = 1,825.16/x
  3. Step 3: Cross multiply
    2,647.10x = 3,970.68 × 1,825.16
  4. Step 4: Simplify right side
    2,647.10x = 7,247,106.46
  5. Step 5: Solve for x
    x = 7,247,106.46/2,647.10
  6. Step 6: Final answer
    x = 2,737.76

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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.