Home / 3,864.67-5,796.97-1,557.79

Finding the Fourth Proportional to 3,864.67, 5,796.97 and 1,557.79

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Solution

The fourth proportional to 3,864.67, 5,796.97 and 1,557.79 is: 2,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.67 : 5,796.97 = 1,557.79 : x
  2. Step 2: Convert to fraction form
    3,864.67/5,796.97 = 1,557.79/x
  3. Step 3: Cross multiply
    3,864.67x = 5,796.97 × 1,557.79
  4. Step 4: Simplify right side
    3,864.67x = 9,030,461.90
  5. Step 5: Solve for x
    x = 9,030,461.90/3,864.67
  6. Step 6: Final answer
    x = 2,336.67

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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.