Home / 2,110.43-3,150.85-1,903.07

Finding the Fourth Proportional to 2,110.43, 3,150.85 and 1,903.07

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Solution

The fourth proportional to 2,110.43, 3,150.85 and 1,903.07 is: 2,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.43 : 3,150.85 = 1,903.07 : x
  2. Step 2: Convert to fraction form
    2,110.43/3,150.85 = 1,903.07/x
  3. Step 3: Cross multiply
    2,110.43x = 3,150.85 × 1,903.07
  4. Step 4: Simplify right side
    2,110.43x = 5,996,288.11
  5. Step 5: Solve for x
    x = 5,996,288.11/2,110.43
  6. Step 6: Final answer
    x = 2,841.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.