Home / 4,281.50-6,424.96-1,684.38

Finding the Fourth Proportional to 4,281.50, 6,424.96 and 1,684.38

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Solution

The fourth proportional to 4,281.50, 6,424.96 and 1,684.38 is: 2,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.50 : 6,424.96 = 1,684.38 : x
  2. Step 2: Convert to fraction form
    4,281.50/6,424.96 = 1,684.38/x
  3. Step 3: Cross multiply
    4,281.50x = 6,424.96 × 1,684.38
  4. Step 4: Simplify right side
    4,281.50x = 10,822,074.12
  5. Step 5: Solve for x
    x = 10,822,074.12/4,281.50
  6. Step 6: Final answer
    x = 2,527.64

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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.