Home / 2,026.25-3,039.38-856.07

Finding the Fourth Proportional to 2,026.25, 3,039.38 and 856.07

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Solution

The fourth proportional to 2,026.25, 3,039.38 and 856.07 is: 1,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.25 : 3,039.38 = 856.07 : x
  2. Step 2: Convert to fraction form
    2,026.25/3,039.38 = 856.07/x
  3. Step 3: Cross multiply
    2,026.25x = 3,039.38 × 856.07
  4. Step 4: Simplify right side
    2,026.25x = 2,601,922.04
  5. Step 5: Solve for x
    x = 2,601,922.04/2,026.25
  6. Step 6: Final answer
    x = 1,284.11

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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.