Home / 3,015.57-4,525.29-1,284.21

Finding the Fourth Proportional to 3,015.57, 4,525.29 and 1,284.21

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Solution

The fourth proportional to 3,015.57, 4,525.29 and 1,284.21 is: 1,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.57 : 4,525.29 = 1,284.21 : x
  2. Step 2: Convert to fraction form
    3,015.57/4,525.29 = 1,284.21/x
  3. Step 3: Cross multiply
    3,015.57x = 4,525.29 × 1,284.21
  4. Step 4: Simplify right side
    3,015.57x = 5,811,422.67
  5. Step 5: Solve for x
    x = 5,811,422.67/3,015.57
  6. Step 6: Final answer
    x = 1,927.14

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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.