Home / 2,220.36-3,330.56-1,050.39

Finding the Fourth Proportional to 2,220.36, 3,330.56 and 1,050.39

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Solution

The fourth proportional to 2,220.36, 3,330.56 and 1,050.39 is: 1,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.36 : 3,330.56 = 1,050.39 : x
  2. Step 2: Convert to fraction form
    2,220.36/3,330.56 = 1,050.39/x
  3. Step 3: Cross multiply
    2,220.36x = 3,330.56 × 1,050.39
  4. Step 4: Simplify right side
    2,220.36x = 3,498,389.54
  5. Step 5: Solve for x
    x = 3,498,389.54/2,220.36
  6. Step 6: Final answer
    x = 1,575.60

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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.