Home / 3,289.44-4,931.28-1,236

Finding the Fourth Proportional to 3,289.44, 4,931.28 and 1,236

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Solution

The fourth proportional to 3,289.44, 4,931.28 and 1,236 is: 1,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.44 : 4,931.28 = 1,236 : x
  2. Step 2: Convert to fraction form
    3,289.44/4,931.28 = 1,236/x
  3. Step 3: Cross multiply
    3,289.44x = 4,931.28 × 1,236
  4. Step 4: Simplify right side
    3,289.44x = 6,095,062.08
  5. Step 5: Solve for x
    x = 6,095,062.08/3,289.44
  6. Step 6: Final answer
    x = 1,852.92

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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.