Home / 2,706.51-3,737.66-1,869.38

Finding the Fourth Proportional to 2,706.51, 3,737.66 and 1,869.38

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Solution

The fourth proportional to 2,706.51, 3,737.66 and 1,869.38 is: 2,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.51 : 3,737.66 = 1,869.38 : x
  2. Step 2: Convert to fraction form
    2,706.51/3,737.66 = 1,869.38/x
  3. Step 3: Cross multiply
    2,706.51x = 3,737.66 × 1,869.38
  4. Step 4: Simplify right side
    2,706.51x = 6,987,078.82
  5. Step 5: Solve for x
    x = 6,987,078.82/2,706.51
  6. Step 6: Final answer
    x = 2,581.58

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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.