Home / 3,790.50-5,685.75-1,482

Finding the Fourth Proportional to 3,790.50, 5,685.75 and 1,482

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Solution

The fourth proportional to 3,790.50, 5,685.75 and 1,482 is: 2,223

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.50 : 5,685.75 = 1,482 : x
  2. Step 2: Convert to fraction form
    3,790.50/5,685.75 = 1,482/x
  3. Step 3: Cross multiply
    3,790.50x = 5,685.75 × 1,482
  4. Step 4: Simplify right side
    3,790.50x = 8,426,281.50
  5. Step 5: Solve for x
    x = 8,426,281.50/3,790.50
  6. Step 6: Final answer
    x = 2,223

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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.