Home / 2,020.32-2,788.44-1,313.04

Finding the Fourth Proportional to 2,020.32, 2,788.44 and 1,313.04

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Solution

The fourth proportional to 2,020.32, 2,788.44 and 1,313.04 is: 1,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.32 : 2,788.44 = 1,313.04 : x
  2. Step 2: Convert to fraction form
    2,020.32/2,788.44 = 1,313.04/x
  3. Step 3: Cross multiply
    2,020.32x = 2,788.44 × 1,313.04
  4. Step 4: Simplify right side
    2,020.32x = 3,661,333.26
  5. Step 5: Solve for x
    x = 3,661,333.26/2,020.32
  6. Step 6: Final answer
    x = 1,812.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.