Home / 3,015.19-4,519.71-1,040.23

Finding the Fourth Proportional to 3,015.19, 4,519.71 and 1,040.23

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Solution

The fourth proportional to 3,015.19, 4,519.71 and 1,040.23 is: 1,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.19 : 4,519.71 = 1,040.23 : x
  2. Step 2: Convert to fraction form
    3,015.19/4,519.71 = 1,040.23/x
  3. Step 3: Cross multiply
    3,015.19x = 4,519.71 × 1,040.23
  4. Step 4: Simplify right side
    3,015.19x = 4,701,537.93
  5. Step 5: Solve for x
    x = 4,701,537.93/3,015.19
  6. Step 6: Final answer
    x = 1,559.28

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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.