Home / 2,686.37-4,025.30-2,071.58

Finding the Fourth Proportional to 2,686.37, 4,025.30 and 2,071.58

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Solution

The fourth proportional to 2,686.37, 4,025.30 and 2,071.58 is: 3,104.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.37 : 4,025.30 = 2,071.58 : x
  2. Step 2: Convert to fraction form
    2,686.37/4,025.30 = 2,071.58/x
  3. Step 3: Cross multiply
    2,686.37x = 4,025.30 × 2,071.58
  4. Step 4: Simplify right side
    2,686.37x = 8,338,700.49
  5. Step 5: Solve for x
    x = 8,338,700.49/2,686.37
  6. Step 6: Final answer
    x = 3,104.08

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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.