Home / 2,811.67-4,217.06-962.36

Finding the Fourth Proportional to 2,811.67, 4,217.06 and 962.36

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Solution

The fourth proportional to 2,811.67, 4,217.06 and 962.36 is: 1,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.67 : 4,217.06 = 962.36 : x
  2. Step 2: Convert to fraction form
    2,811.67/4,217.06 = 962.36/x
  3. Step 3: Cross multiply
    2,811.67x = 4,217.06 × 962.36
  4. Step 4: Simplify right side
    2,811.67x = 4,058,311.18
  5. Step 5: Solve for x
    x = 4,058,311.18/2,811.67
  6. Step 6: Final answer
    x = 1,443.38

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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.