Home / 4,253.69-5,871.68-2,485.86

Finding the Fourth Proportional to 4,253.69, 5,871.68 and 2,485.86

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Solution

The fourth proportional to 4,253.69, 5,871.68 and 2,485.86 is: 3,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.69 : 5,871.68 = 2,485.86 : x
  2. Step 2: Convert to fraction form
    4,253.69/5,871.68 = 2,485.86/x
  3. Step 3: Cross multiply
    4,253.69x = 5,871.68 × 2,485.86
  4. Step 4: Simplify right side
    4,253.69x = 14,596,162.02
  5. Step 5: Solve for x
    x = 14,596,162.02/4,253.69
  6. Step 6: Final answer
    x = 3,431.42

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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.