Home / 3,325.55-4,984.96-2,156.30

Finding the Fourth Proportional to 3,325.55, 4,984.96 and 2,156.30

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Solution

The fourth proportional to 3,325.55, 4,984.96 and 2,156.30 is: 3,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.55 : 4,984.96 = 2,156.30 : x
  2. Step 2: Convert to fraction form
    3,325.55/4,984.96 = 2,156.30/x
  3. Step 3: Cross multiply
    3,325.55x = 4,984.96 × 2,156.30
  4. Step 4: Simplify right side
    3,325.55x = 10,749,070.77
  5. Step 5: Solve for x
    x = 10,749,070.77/3,325.55
  6. Step 6: Final answer
    x = 3,232.26

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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.