Home / 2,455.30-3,677.55-1,903.15

Finding the Fourth Proportional to 2,455.30, 3,677.55 and 1,903.15

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Solution

The fourth proportional to 2,455.30, 3,677.55 and 1,903.15 is: 2,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.30 : 3,677.55 = 1,903.15 : x
  2. Step 2: Convert to fraction form
    2,455.30/3,677.55 = 1,903.15/x
  3. Step 3: Cross multiply
    2,455.30x = 3,677.55 × 1,903.15
  4. Step 4: Simplify right side
    2,455.30x = 6,998,929.28
  5. Step 5: Solve for x
    x = 6,998,929.28/2,455.30
  6. Step 6: Final answer
    x = 2,850.54

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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.