Home / 2,686.08-3,703.98-2,625.72

Finding the Fourth Proportional to 2,686.08, 3,703.98 and 2,625.72

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Solution

The fourth proportional to 2,686.08, 3,703.98 and 2,625.72 is: 3,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.08 : 3,703.98 = 2,625.72 : x
  2. Step 2: Convert to fraction form
    2,686.08/3,703.98 = 2,625.72/x
  3. Step 3: Cross multiply
    2,686.08x = 3,703.98 × 2,625.72
  4. Step 4: Simplify right side
    2,686.08x = 9,725,614.37
  5. Step 5: Solve for x
    x = 9,725,614.37/2,686.08
  6. Step 6: Final answer
    x = 3,620.75

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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.