Home / 2,555.96-3,829.01-2,140.16

Finding the Fourth Proportional to 2,555.96, 3,829.01 and 2,140.16

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Solution

The fourth proportional to 2,555.96, 3,829.01 and 2,140.16 is: 3,206.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.96 : 3,829.01 = 2,140.16 : x
  2. Step 2: Convert to fraction form
    2,555.96/3,829.01 = 2,140.16/x
  3. Step 3: Cross multiply
    2,555.96x = 3,829.01 × 2,140.16
  4. Step 4: Simplify right side
    2,555.96x = 8,194,664.20
  5. Step 5: Solve for x
    x = 8,194,664.20/2,555.96
  6. Step 6: Final answer
    x = 3,206.11

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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.