Home / 3,655.56-5,477.58-2,192.88

Finding the Fourth Proportional to 3,655.56, 5,477.58 and 2,192.88

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Solution

The fourth proportional to 3,655.56, 5,477.58 and 2,192.88 is: 3,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.56 : 5,477.58 = 2,192.88 : x
  2. Step 2: Convert to fraction form
    3,655.56/5,477.58 = 2,192.88/x
  3. Step 3: Cross multiply
    3,655.56x = 5,477.58 × 2,192.88
  4. Step 4: Simplify right side
    3,655.56x = 12,011,675.63
  5. Step 5: Solve for x
    x = 12,011,675.63/3,655.56
  6. Step 6: Final answer
    x = 3,285.86

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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.