Home / 2,849.03-3,931.70-1,670.12

Finding the Fourth Proportional to 2,849.03, 3,931.70 and 1,670.12

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Solution

The fourth proportional to 2,849.03, 3,931.70 and 1,670.12 is: 2,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.03 : 3,931.70 = 1,670.12 : x
  2. Step 2: Convert to fraction form
    2,849.03/3,931.70 = 1,670.12/x
  3. Step 3: Cross multiply
    2,849.03x = 3,931.70 × 1,670.12
  4. Step 4: Simplify right side
    2,849.03x = 6,566,412.28
  5. Step 5: Solve for x
    x = 6,566,412.28/2,849.03
  6. Step 6: Final answer
    x = 2,304.79

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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.