Home / 2,285.64-3,428.19-1,590.30

Finding the Fourth Proportional to 2,285.64, 3,428.19 and 1,590.30

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Solution

The fourth proportional to 2,285.64, 3,428.19 and 1,590.30 is: 2,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.64 : 3,428.19 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    2,285.64/3,428.19 = 1,590.30/x
  3. Step 3: Cross multiply
    2,285.64x = 3,428.19 × 1,590.30
  4. Step 4: Simplify right side
    2,285.64x = 5,451,850.56
  5. Step 5: Solve for x
    x = 5,451,850.56/2,285.64
  6. Step 6: Final answer
    x = 2,385.26

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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.