Home / 2,010.12-3,015.65-623.39

Finding the Fourth Proportional to 2,010.12, 3,015.65 and 623.39

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Solution

The fourth proportional to 2,010.12, 3,015.65 and 623.39 is: 935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.12 : 3,015.65 = 623.39 : x
  2. Step 2: Convert to fraction form
    2,010.12/3,015.65 = 623.39/x
  3. Step 3: Cross multiply
    2,010.12x = 3,015.65 × 623.39
  4. Step 4: Simplify right side
    2,010.12x = 1,879,910.20
  5. Step 5: Solve for x
    x = 1,879,910.20/2,010.12
  6. Step 6: Final answer
    x = 935.22

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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.