Home / 3,683.30-5,519.48-2,857.50

Finding the Fourth Proportional to 3,683.30, 5,519.48 and 2,857.50

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Solution

The fourth proportional to 3,683.30, 5,519.48 and 2,857.50 is: 4,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.30 : 5,519.48 = 2,857.50 : x
  2. Step 2: Convert to fraction form
    3,683.30/5,519.48 = 2,857.50/x
  3. Step 3: Cross multiply
    3,683.30x = 5,519.48 × 2,857.50
  4. Step 4: Simplify right side
    3,683.30x = 15,771,899.81
  5. Step 5: Solve for x
    x = 15,771,899.81/3,683.30
  6. Step 6: Final answer
    x = 4,282.01

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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.