Home / 1,911.06-2,861.66-1,502.28

Finding the Fourth Proportional to 1,911.06, 2,861.66 and 1,502.28

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Solution

The fourth proportional to 1,911.06, 2,861.66 and 1,502.28 is: 2,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.06 : 2,861.66 = 1,502.28 : x
  2. Step 2: Convert to fraction form
    1,911.06/2,861.66 = 1,502.28/x
  3. Step 3: Cross multiply
    1,911.06x = 2,861.66 × 1,502.28
  4. Step 4: Simplify right side
    1,911.06x = 4,299,018.34
  5. Step 5: Solve for x
    x = 4,299,018.34/1,911.06
  6. Step 6: Final answer
    x = 2,249.55

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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.