Home / 1,935.09-2,669.27-1,805.49

Finding the Fourth Proportional to 1,935.09, 2,669.27 and 1,805.49

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Solution

The fourth proportional to 1,935.09, 2,669.27 and 1,805.49 is: 2,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.09 : 2,669.27 = 1,805.49 : x
  2. Step 2: Convert to fraction form
    1,935.09/2,669.27 = 1,805.49/x
  3. Step 3: Cross multiply
    1,935.09x = 2,669.27 × 1,805.49
  4. Step 4: Simplify right side
    1,935.09x = 4,819,331.26
  5. Step 5: Solve for x
    x = 4,819,331.26/1,935.09
  6. Step 6: Final answer
    x = 2,490.49

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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.