Home / 3,790.71-5,686.02-1,193.67

Finding the Fourth Proportional to 3,790.71, 5,686.02 and 1,193.67

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Solution

The fourth proportional to 3,790.71, 5,686.02 and 1,193.67 is: 1,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.71 : 5,686.02 = 1,193.67 : x
  2. Step 2: Convert to fraction form
    3,790.71/5,686.02 = 1,193.67/x
  3. Step 3: Cross multiply
    3,790.71x = 5,686.02 × 1,193.67
  4. Step 4: Simplify right side
    3,790.71x = 6,787,231.49
  5. Step 5: Solve for x
    x = 6,787,231.49/3,790.71
  6. Step 6: Final answer
    x = 1,790.49

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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.