Home / 3,749.65-5,174.62-2,070.96

Finding the Fourth Proportional to 3,749.65, 5,174.62 and 2,070.96

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Solution

The fourth proportional to 3,749.65, 5,174.62 and 2,070.96 is: 2,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.65 : 5,174.62 = 2,070.96 : x
  2. Step 2: Convert to fraction form
    3,749.65/5,174.62 = 2,070.96/x
  3. Step 3: Cross multiply
    3,749.65x = 5,174.62 × 2,070.96
  4. Step 4: Simplify right side
    3,749.65x = 10,716,406.45
  5. Step 5: Solve for x
    x = 10,716,406.45/3,749.65
  6. Step 6: Final answer
    x = 2,857.98

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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.