Home / 3,885.64-5,829.23-1,112.33

Finding the Fourth Proportional to 3,885.64, 5,829.23 and 1,112.33

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Solution

The fourth proportional to 3,885.64, 5,829.23 and 1,112.33 is: 1,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.64 : 5,829.23 = 1,112.33 : x
  2. Step 2: Convert to fraction form
    3,885.64/5,829.23 = 1,112.33/x
  3. Step 3: Cross multiply
    3,885.64x = 5,829.23 × 1,112.33
  4. Step 4: Simplify right side
    3,885.64x = 6,484,044.76
  5. Step 5: Solve for x
    x = 6,484,044.76/3,885.64
  6. Step 6: Final answer
    x = 1,668.72

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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.