Home / 2,505.24-3,455.36-2,221.98

Finding the Fourth Proportional to 2,505.24, 3,455.36 and 2,221.98

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Solution

The fourth proportional to 2,505.24, 3,455.36 and 2,221.98 is: 3,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.24 : 3,455.36 = 2,221.98 : x
  2. Step 2: Convert to fraction form
    2,505.24/3,455.36 = 2,221.98/x
  3. Step 3: Cross multiply
    2,505.24x = 3,455.36 × 2,221.98
  4. Step 4: Simplify right side
    2,505.24x = 7,677,740.81
  5. Step 5: Solve for x
    x = 7,677,740.81/2,505.24
  6. Step 6: Final answer
    x = 3,064.67

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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.