Home / 3,563.21-5,347.11-1,920.90

Finding the Fourth Proportional to 3,563.21, 5,347.11 and 1,920.90

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Solution

The fourth proportional to 3,563.21, 5,347.11 and 1,920.90 is: 2,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.21 : 5,347.11 = 1,920.90 : x
  2. Step 2: Convert to fraction form
    3,563.21/5,347.11 = 1,920.90/x
  3. Step 3: Cross multiply
    3,563.21x = 5,347.11 × 1,920.90
  4. Step 4: Simplify right side
    3,563.21x = 10,271,263.60
  5. Step 5: Solve for x
    x = 10,271,263.60/3,563.21
  6. Step 6: Final answer
    x = 2,882.59

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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.