Home / 1,889.28-2,829.66-1,010.22

Finding the Fourth Proportional to 1,889.28, 2,829.66 and 1,010.22

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Solution

The fourth proportional to 1,889.28, 2,829.66 and 1,010.22 is: 1,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.28 : 2,829.66 = 1,010.22 : x
  2. Step 2: Convert to fraction form
    1,889.28/2,829.66 = 1,010.22/x
  3. Step 3: Cross multiply
    1,889.28x = 2,829.66 × 1,010.22
  4. Step 4: Simplify right side
    1,889.28x = 2,858,579.13
  5. Step 5: Solve for x
    x = 2,858,579.13/1,889.28
  6. Step 6: Final answer
    x = 1,513.05

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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.