Home / 2,941.12-4,412.91-1,831.47

Finding the Fourth Proportional to 2,941.12, 4,412.91 and 1,831.47

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Solution

The fourth proportional to 2,941.12, 4,412.91 and 1,831.47 is: 2,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.12 : 4,412.91 = 1,831.47 : x
  2. Step 2: Convert to fraction form
    2,941.12/4,412.91 = 1,831.47/x
  3. Step 3: Cross multiply
    2,941.12x = 4,412.91 × 1,831.47
  4. Step 4: Simplify right side
    2,941.12x = 8,082,095.73
  5. Step 5: Solve for x
    x = 8,082,095.73/2,941.12
  6. Step 6: Final answer
    x = 2,747.96

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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.