Home / 4,231.80-6,347.67-1,153.80

Finding the Fourth Proportional to 4,231.80, 6,347.67 and 1,153.80

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Solution

The fourth proportional to 4,231.80, 6,347.67 and 1,153.80 is: 1,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.80 : 6,347.67 = 1,153.80 : x
  2. Step 2: Convert to fraction form
    4,231.80/6,347.67 = 1,153.80/x
  3. Step 3: Cross multiply
    4,231.80x = 6,347.67 × 1,153.80
  4. Step 4: Simplify right side
    4,231.80x = 7,323,941.65
  5. Step 5: Solve for x
    x = 7,323,941.65/4,231.80
  6. Step 6: Final answer
    x = 1,730.69

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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.