Home / 1,958.34-2,706.20-1,485.39

Finding the Fourth Proportional to 1,958.34, 2,706.20 and 1,485.39

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Solution

The fourth proportional to 1,958.34, 2,706.20 and 1,485.39 is: 2,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.34 : 2,706.20 = 1,485.39 : x
  2. Step 2: Convert to fraction form
    1,958.34/2,706.20 = 1,485.39/x
  3. Step 3: Cross multiply
    1,958.34x = 2,706.20 × 1,485.39
  4. Step 4: Simplify right side
    1,958.34x = 4,019,762.42
  5. Step 5: Solve for x
    x = 4,019,762.42/1,958.34
  6. Step 6: Final answer
    x = 2,052.64

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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.