Home / 2,099.09-3,161.13-1,828.45

Finding the Fourth Proportional to 2,099.09, 3,161.13 and 1,828.45

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Solution

The fourth proportional to 2,099.09, 3,161.13 and 1,828.45 is: 2,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.09 : 3,161.13 = 1,828.45 : x
  2. Step 2: Convert to fraction form
    2,099.09/3,161.13 = 1,828.45/x
  3. Step 3: Cross multiply
    2,099.09x = 3,161.13 × 1,828.45
  4. Step 4: Simplify right side
    2,099.09x = 5,779,968.15
  5. Step 5: Solve for x
    x = 5,779,968.15/2,099.09
  6. Step 6: Final answer
    x = 2,753.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.