Home / 2,110.46-3,161.43-1,011.49

Finding the Fourth Proportional to 2,110.46, 3,161.43 and 1,011.49

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Solution

The fourth proportional to 2,110.46, 3,161.43 and 1,011.49 is: 1,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.46 : 3,161.43 = 1,011.49 : x
  2. Step 2: Convert to fraction form
    2,110.46/3,161.43 = 1,011.49/x
  3. Step 3: Cross multiply
    2,110.46x = 3,161.43 × 1,011.49
  4. Step 4: Simplify right side
    2,110.46x = 3,197,746.93
  5. Step 5: Solve for x
    x = 3,197,746.93/2,110.46
  6. Step 6: Final answer
    x = 1,515.19

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Double scale
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1.5x scale

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.