Home / 2,776.10-4,143.90-2,425.79

Finding the Fourth Proportional to 2,776.10, 4,143.90 and 2,425.79

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Solution

The fourth proportional to 2,776.10, 4,143.90 and 2,425.79 is: 3,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.10 : 4,143.90 = 2,425.79 : x
  2. Step 2: Convert to fraction form
    2,776.10/4,143.90 = 2,425.79/x
  3. Step 3: Cross multiply
    2,776.10x = 4,143.90 × 2,425.79
  4. Step 4: Simplify right side
    2,776.10x = 10,052,210.46
  5. Step 5: Solve for x
    x = 10,052,210.46/2,776.10
  6. Step 6: Final answer
    x = 3,620.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.