Home / 1,975.53-2,726.22-1,091.40

Finding the Fourth Proportional to 1,975.53, 2,726.22 and 1,091.40

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Solution

The fourth proportional to 1,975.53, 2,726.22 and 1,091.40 is: 1,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.53 : 2,726.22 = 1,091.40 : x
  2. Step 2: Convert to fraction form
    1,975.53/2,726.22 = 1,091.40/x
  3. Step 3: Cross multiply
    1,975.53x = 2,726.22 × 1,091.40
  4. Step 4: Simplify right side
    1,975.53x = 2,975,396.51
  5. Step 5: Solve for x
    x = 2,975,396.51/1,975.53
  6. Step 6: Final answer
    x = 1,506.13

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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.