Home / 2,742.19-4,113.32-1,010.81

Finding the Fourth Proportional to 2,742.19, 4,113.32 and 1,010.81

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Solution

The fourth proportional to 2,742.19, 4,113.32 and 1,010.81 is: 1,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.19 : 4,113.32 = 1,010.81 : x
  2. Step 2: Convert to fraction form
    2,742.19/4,113.32 = 1,010.81/x
  3. Step 3: Cross multiply
    2,742.19x = 4,113.32 × 1,010.81
  4. Step 4: Simplify right side
    2,742.19x = 4,157,790.22
  5. Step 5: Solve for x
    x = 4,157,790.22/2,742.19
  6. Step 6: Final answer
    x = 1,516.23

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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.