Home / 2,370.90-3,556.39-1,397.69

Finding the Fourth Proportional to 2,370.90, 3,556.39 and 1,397.69

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Solution

The fourth proportional to 2,370.90, 3,556.39 and 1,397.69 is: 2,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.90 : 3,556.39 = 1,397.69 : x
  2. Step 2: Convert to fraction form
    2,370.90/3,556.39 = 1,397.69/x
  3. Step 3: Cross multiply
    2,370.90x = 3,556.39 × 1,397.69
  4. Step 4: Simplify right side
    2,370.90x = 4,970,730.74
  5. Step 5: Solve for x
    x = 4,970,730.74/2,370.90
  6. Step 6: Final answer
    x = 2,096.56

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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.