Home / 2,370.80-3,556.20-1,204.40

Finding the Fourth Proportional to 2,370.80, 3,556.20 and 1,204.40

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Solution

The fourth proportional to 2,370.80, 3,556.20 and 1,204.40 is: 1,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.80 : 3,556.20 = 1,204.40 : x
  2. Step 2: Convert to fraction form
    2,370.80/3,556.20 = 1,204.40/x
  3. Step 3: Cross multiply
    2,370.80x = 3,556.20 × 1,204.40
  4. Step 4: Simplify right side
    2,370.80x = 4,283,087.28
  5. Step 5: Solve for x
    x = 4,283,087.28/2,370.80
  6. Step 6: Final answer
    x = 1,806.60

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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.