Home / 2,828.96-4,235.22-1,840.70

Finding the Fourth Proportional to 2,828.96, 4,235.22 and 1,840.70

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Solution

The fourth proportional to 2,828.96, 4,235.22 and 1,840.70 is: 2,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.96 : 4,235.22 = 1,840.70 : x
  2. Step 2: Convert to fraction form
    2,828.96/4,235.22 = 1,840.70/x
  3. Step 3: Cross multiply
    2,828.96x = 4,235.22 × 1,840.70
  4. Step 4: Simplify right side
    2,828.96x = 7,795,748.28
  5. Step 5: Solve for x
    x = 7,795,748.28/2,828.96
  6. Step 6: Final answer
    x = 2,755.70

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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.