Home / 1,769.09-2,435.78-1,502.97

Finding the Fourth Proportional to 1,769.09, 2,435.78 and 1,502.97

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Solution

The fourth proportional to 1,769.09, 2,435.78 and 1,502.97 is: 2,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.09 : 2,435.78 = 1,502.97 : x
  2. Step 2: Convert to fraction form
    1,769.09/2,435.78 = 1,502.97/x
  3. Step 3: Cross multiply
    1,769.09x = 2,435.78 × 1,502.97
  4. Step 4: Simplify right side
    1,769.09x = 3,660,898.89
  5. Step 5: Solve for x
    x = 3,660,898.89/1,769.09
  6. Step 6: Final answer
    x = 2,069.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.