Home / 2,193.21-3,289.04-1,575.08

Finding the Fourth Proportional to 2,193.21, 3,289.04 and 1,575.08

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Solution

The fourth proportional to 2,193.21, 3,289.04 and 1,575.08 is: 2,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.21 : 3,289.04 = 1,575.08 : x
  2. Step 2: Convert to fraction form
    2,193.21/3,289.04 = 1,575.08/x
  3. Step 3: Cross multiply
    2,193.21x = 3,289.04 × 1,575.08
  4. Step 4: Simplify right side
    2,193.21x = 5,180,476.80
  5. Step 5: Solve for x
    x = 5,180,476.80/2,193.21
  6. Step 6: Final answer
    x = 2,362.05

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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.