Home / 3,023.10-4,534.58-831.75

Finding the Fourth Proportional to 3,023.10, 4,534.58 and 831.75

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Solution

The fourth proportional to 3,023.10, 4,534.58 and 831.75 is: 1,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.10 : 4,534.58 = 831.75 : x
  2. Step 2: Convert to fraction form
    3,023.10/4,534.58 = 831.75/x
  3. Step 3: Cross multiply
    3,023.10x = 4,534.58 × 831.75
  4. Step 4: Simplify right side
    3,023.10x = 3,771,632.76
  5. Step 5: Solve for x
    x = 3,771,632.76/3,023.10
  6. Step 6: Final answer
    x = 1,247.60

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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.