Home / 3,884.48-5,360.83-2,312.36

Finding the Fourth Proportional to 3,884.48, 5,360.83 and 2,312.36

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Solution

The fourth proportional to 3,884.48, 5,360.83 and 2,312.36 is: 3,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.48 : 5,360.83 = 2,312.36 : x
  2. Step 2: Convert to fraction form
    3,884.48/5,360.83 = 2,312.36/x
  3. Step 3: Cross multiply
    3,884.48x = 5,360.83 × 2,312.36
  4. Step 4: Simplify right side
    3,884.48x = 12,396,136.27
  5. Step 5: Solve for x
    x = 12,396,136.27/3,884.48
  6. Step 6: Final answer
    x = 3,191.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.