Home / 2,868.46-4,303.12-1,225

Finding the Fourth Proportional to 2,868.46, 4,303.12 and 1,225

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Solution

The fourth proportional to 2,868.46, 4,303.12 and 1,225 is: 1,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.46 : 4,303.12 = 1,225 : x
  2. Step 2: Convert to fraction form
    2,868.46/4,303.12 = 1,225/x
  3. Step 3: Cross multiply
    2,868.46x = 4,303.12 × 1,225
  4. Step 4: Simplify right side
    2,868.46x = 5,271,322
  5. Step 5: Solve for x
    x = 5,271,322/2,868.46
  6. Step 6: Final answer
    x = 1,837.68

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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.