Home / 2,706.42-3,735.23-1,587.80

Finding the Fourth Proportional to 2,706.42, 3,735.23 and 1,587.80

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Solution

The fourth proportional to 2,706.42, 3,735.23 and 1,587.80 is: 2,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.42 : 3,735.23 = 1,587.80 : x
  2. Step 2: Convert to fraction form
    2,706.42/3,735.23 = 1,587.80/x
  3. Step 3: Cross multiply
    2,706.42x = 3,735.23 × 1,587.80
  4. Step 4: Simplify right side
    2,706.42x = 5,930,771.58
  5. Step 5: Solve for x
    x = 5,930,771.58/2,706.42
  6. Step 6: Final answer
    x = 2,191.37

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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.