Home / 2,840.04-4,252.68-2,431.80

Finding the Fourth Proportional to 2,840.04, 4,252.68 and 2,431.80

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Solution

The fourth proportional to 2,840.04, 4,252.68 and 2,431.80 is: 3,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.04 : 4,252.68 = 2,431.80 : x
  2. Step 2: Convert to fraction form
    2,840.04/4,252.68 = 2,431.80/x
  3. Step 3: Cross multiply
    2,840.04x = 4,252.68 × 2,431.80
  4. Step 4: Simplify right side
    2,840.04x = 10,341,667.22
  5. Step 5: Solve for x
    x = 10,341,667.22/2,840.04
  6. Step 6: Final answer
    x = 3,641.38

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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.