Home / 2,285.24-3,435.48-1,855.40

Finding the Fourth Proportional to 2,285.24, 3,435.48 and 1,855.40

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Solution

The fourth proportional to 2,285.24, 3,435.48 and 1,855.40 is: 2,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.24 : 3,435.48 = 1,855.40 : x
  2. Step 2: Convert to fraction form
    2,285.24/3,435.48 = 1,855.40/x
  3. Step 3: Cross multiply
    2,285.24x = 3,435.48 × 1,855.40
  4. Step 4: Simplify right side
    2,285.24x = 6,374,189.59
  5. Step 5: Solve for x
    x = 6,374,189.59/2,285.24
  6. Step 6: Final answer
    x = 2,789.29

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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.