Home / 2,220.08-3,330.03-903.77

Finding the Fourth Proportional to 2,220.08, 3,330.03 and 903.77

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Solution

The fourth proportional to 2,220.08, 3,330.03 and 903.77 is: 1,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.08 : 3,330.03 = 903.77 : x
  2. Step 2: Convert to fraction form
    2,220.08/3,330.03 = 903.77/x
  3. Step 3: Cross multiply
    2,220.08x = 3,330.03 × 903.77
  4. Step 4: Simplify right side
    2,220.08x = 3,009,581.21
  5. Step 5: Solve for x
    x = 3,009,581.21/2,220.08
  6. Step 6: Final answer
    x = 1,355.62

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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.