Home / 1,975.66-2,726.68-1,910.76

Finding the Fourth Proportional to 1,975.66, 2,726.68 and 1,910.76

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Solution

The fourth proportional to 1,975.66, 2,726.68 and 1,910.76 is: 2,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.66 : 2,726.68 = 1,910.76 : x
  2. Step 2: Convert to fraction form
    1,975.66/2,726.68 = 1,910.76/x
  3. Step 3: Cross multiply
    1,975.66x = 2,726.68 × 1,910.76
  4. Step 4: Simplify right side
    1,975.66x = 5,210,007.89
  5. Step 5: Solve for x
    x = 5,210,007.89/1,975.66
  6. Step 6: Final answer
    x = 2,637.10

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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.