Home / 1,458.56-2,009.39-1,015.67

Finding the Fourth Proportional to 1,458.56, 2,009.39 and 1,015.67

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Solution

The fourth proportional to 1,458.56, 2,009.39 and 1,015.67 is: 1,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.56 : 2,009.39 = 1,015.67 : x
  2. Step 2: Convert to fraction form
    1,458.56/2,009.39 = 1,015.67/x
  3. Step 3: Cross multiply
    1,458.56x = 2,009.39 × 1,015.67
  4. Step 4: Simplify right side
    1,458.56x = 2,040,862.02
  5. Step 5: Solve for x
    x = 2,040,862.02/1,458.56
  6. Step 6: Final answer
    x = 1,399.24

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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.