Home / 2,849.56-3,931.52-1,670.34

Finding the Fourth Proportional to 2,849.56, 3,931.52 and 1,670.34

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Solution

The fourth proportional to 2,849.56, 3,931.52 and 1,670.34 is: 2,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.56 : 3,931.52 = 1,670.34 : x
  2. Step 2: Convert to fraction form
    2,849.56/3,931.52 = 1,670.34/x
  3. Step 3: Cross multiply
    2,849.56x = 3,931.52 × 1,670.34
  4. Step 4: Simplify right side
    2,849.56x = 6,566,975.12
  5. Step 5: Solve for x
    x = 6,566,975.12/2,849.56
  6. Step 6: Final answer
    x = 2,304.56

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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.