Home / 1,754.45-2,421.06-1,091.15

Finding the Fourth Proportional to 1,754.45, 2,421.06 and 1,091.15

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Solution

The fourth proportional to 1,754.45, 2,421.06 and 1,091.15 is: 1,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.45 : 2,421.06 = 1,091.15 : x
  2. Step 2: Convert to fraction form
    1,754.45/2,421.06 = 1,091.15/x
  3. Step 3: Cross multiply
    1,754.45x = 2,421.06 × 1,091.15
  4. Step 4: Simplify right side
    1,754.45x = 2,641,727.51
  5. Step 5: Solve for x
    x = 2,641,727.51/1,754.45
  6. Step 6: Final answer
    x = 1,505.73

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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.