Home / 1,975.61-2,726.28-1,091.36

Finding the Fourth Proportional to 1,975.61, 2,726.28 and 1,091.36

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Solution

The fourth proportional to 1,975.61, 2,726.28 and 1,091.36 is: 1,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.61 : 2,726.28 = 1,091.36 : x
  2. Step 2: Convert to fraction form
    1,975.61/2,726.28 = 1,091.36/x
  3. Step 3: Cross multiply
    1,975.61x = 2,726.28 × 1,091.36
  4. Step 4: Simplify right side
    1,975.61x = 2,975,359.76
  5. Step 5: Solve for x
    x = 2,975,359.76/1,975.61
  6. Step 6: Final answer
    x = 1,506.04

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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.