Home / 4,225.98-5,831.85-2,311.80

Finding the Fourth Proportional to 4,225.98, 5,831.85 and 2,311.80

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Solution

The fourth proportional to 4,225.98, 5,831.85 and 2,311.80 is: 3,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.98 : 5,831.85 = 2,311.80 : x
  2. Step 2: Convert to fraction form
    4,225.98/5,831.85 = 2,311.80/x
  3. Step 3: Cross multiply
    4,225.98x = 5,831.85 × 2,311.80
  4. Step 4: Simplify right side
    4,225.98x = 13,482,070.83
  5. Step 5: Solve for x
    x = 13,482,070.83/4,225.98
  6. Step 6: Final answer
    x = 3,190.28

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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.