Home / 2,827.45-4,235.10-2,280.70

Finding the Fourth Proportional to 2,827.45, 4,235.10 and 2,280.70

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Solution

The fourth proportional to 2,827.45, 4,235.10 and 2,280.70 is: 3,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.45 : 4,235.10 = 2,280.70 : x
  2. Step 2: Convert to fraction form
    2,827.45/4,235.10 = 2,280.70/x
  3. Step 3: Cross multiply
    2,827.45x = 4,235.10 × 2,280.70
  4. Step 4: Simplify right side
    2,827.45x = 9,658,992.57
  5. Step 5: Solve for x
    x = 9,658,992.57/2,827.45
  6. Step 6: Final answer
    x = 3,416.15

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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.