Home / 3,659.15-5,482.08-1,686.44

Finding the Fourth Proportional to 3,659.15, 5,482.08 and 1,686.44

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Solution

The fourth proportional to 3,659.15, 5,482.08 and 1,686.44 is: 2,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.15 : 5,482.08 = 1,686.44 : x
  2. Step 2: Convert to fraction form
    3,659.15/5,482.08 = 1,686.44/x
  3. Step 3: Cross multiply
    3,659.15x = 5,482.08 × 1,686.44
  4. Step 4: Simplify right side
    3,659.15x = 9,245,171.58
  5. Step 5: Solve for x
    x = 9,245,171.58/3,659.15
  6. Step 6: Final answer
    x = 2,526.59

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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.