Home / 3,010.86-4,154.76-1,831.80

Finding the Fourth Proportional to 3,010.86, 4,154.76 and 1,831.80

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Solution

The fourth proportional to 3,010.86, 4,154.76 and 1,831.80 is: 2,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.86 : 4,154.76 = 1,831.80 : x
  2. Step 2: Convert to fraction form
    3,010.86/4,154.76 = 1,831.80/x
  3. Step 3: Cross multiply
    3,010.86x = 4,154.76 × 1,831.80
  4. Step 4: Simplify right side
    3,010.86x = 7,610,689.37
  5. Step 5: Solve for x
    x = 7,610,689.37/3,010.86
  6. Step 6: Final answer
    x = 2,527.75

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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.