Home / 2,412.21-3,330.34-1,851.60

Finding the Fourth Proportional to 2,412.21, 3,330.34 and 1,851.60

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Solution

The fourth proportional to 2,412.21, 3,330.34 and 1,851.60 is: 2,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.21 : 3,330.34 = 1,851.60 : x
  2. Step 2: Convert to fraction form
    2,412.21/3,330.34 = 1,851.60/x
  3. Step 3: Cross multiply
    2,412.21x = 3,330.34 × 1,851.60
  4. Step 4: Simplify right side
    2,412.21x = 6,166,452.92
  5. Step 5: Solve for x
    x = 6,166,452.92/2,412.21
  6. Step 6: Final answer
    x = 2,556.35

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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.