Home / 2,373.91-3,556.31-1,986.32

Finding the Fourth Proportional to 2,373.91, 3,556.31 and 1,986.32

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Solution

The fourth proportional to 2,373.91, 3,556.31 and 1,986.32 is: 2,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.91 : 3,556.31 = 1,986.32 : x
  2. Step 2: Convert to fraction form
    2,373.91/3,556.31 = 1,986.32/x
  3. Step 3: Cross multiply
    2,373.91x = 3,556.31 × 1,986.32
  4. Step 4: Simplify right side
    2,373.91x = 7,063,968.64
  5. Step 5: Solve for x
    x = 7,063,968.64/2,373.91
  6. Step 6: Final answer
    x = 2,975.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.