Home / 3,217.48-4,439.81-1,801.08

Finding the Fourth Proportional to 3,217.48, 4,439.81 and 1,801.08

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Solution

The fourth proportional to 3,217.48, 4,439.81 and 1,801.08 is: 2,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.48 : 4,439.81 = 1,801.08 : x
  2. Step 2: Convert to fraction form
    3,217.48/4,439.81 = 1,801.08/x
  3. Step 3: Cross multiply
    3,217.48x = 4,439.81 × 1,801.08
  4. Step 4: Simplify right side
    3,217.48x = 7,996,452.99
  5. Step 5: Solve for x
    x = 7,996,452.99/3,217.48
  6. Step 6: Final answer
    x = 2,485.32

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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.