Home / 2,577.09-3,554.92-1,681.09

Finding the Fourth Proportional to 2,577.09, 3,554.92 and 1,681.09

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Solution

The fourth proportional to 2,577.09, 3,554.92 and 1,681.09 is: 2,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.09 : 3,554.92 = 1,681.09 : x
  2. Step 2: Convert to fraction form
    2,577.09/3,554.92 = 1,681.09/x
  3. Step 3: Cross multiply
    2,577.09x = 3,554.92 × 1,681.09
  4. Step 4: Simplify right side
    2,577.09x = 5,976,133.68
  5. Step 5: Solve for x
    x = 5,976,133.68/2,577.09
  6. Step 6: Final answer
    x = 2,318.94

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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.