Home / 3,070.57-4,235.94-2,076.20

Finding the Fourth Proportional to 3,070.57, 4,235.94 and 2,076.20

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Solution

The fourth proportional to 3,070.57, 4,235.94 and 2,076.20 is: 2,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.57 : 4,235.94 = 2,076.20 : x
  2. Step 2: Convert to fraction form
    3,070.57/4,235.94 = 2,076.20/x
  3. Step 3: Cross multiply
    3,070.57x = 4,235.94 × 2,076.20
  4. Step 4: Simplify right side
    3,070.57x = 8,794,658.63
  5. Step 5: Solve for x
    x = 8,794,658.63/3,070.57
  6. Step 6: Final answer
    x = 2,864.18

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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.