Home / 2,858.28-4,286.33-1,009.05

Finding the Fourth Proportional to 2,858.28, 4,286.33 and 1,009.05

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Solution

The fourth proportional to 2,858.28, 4,286.33 and 1,009.05 is: 1,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.28 : 4,286.33 = 1,009.05 : x
  2. Step 2: Convert to fraction form
    2,858.28/4,286.33 = 1,009.05/x
  3. Step 3: Cross multiply
    2,858.28x = 4,286.33 × 1,009.05
  4. Step 4: Simplify right side
    2,858.28x = 4,325,094.81
  5. Step 5: Solve for x
    x = 4,325,094.81/2,858.28
  6. Step 6: Final answer
    x = 1,513.18

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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.