Home / 2,015.94-3,017.40-1,040.70

Finding the Fourth Proportional to 2,015.94, 3,017.40 and 1,040.70

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Solution

The fourth proportional to 2,015.94, 3,017.40 and 1,040.70 is: 1,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.94 : 3,017.40 = 1,040.70 : x
  2. Step 2: Convert to fraction form
    2,015.94/3,017.40 = 1,040.70/x
  3. Step 3: Cross multiply
    2,015.94x = 3,017.40 × 1,040.70
  4. Step 4: Simplify right side
    2,015.94x = 3,140,208.18
  5. Step 5: Solve for x
    x = 3,140,208.18/2,015.94
  6. Step 6: Final answer
    x = 1,557.69

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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.