Home / 3,654.51-5,482.58-1,705.65

Finding the Fourth Proportional to 3,654.51, 5,482.58 and 1,705.65

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Solution

The fourth proportional to 3,654.51, 5,482.58 and 1,705.65 is: 2,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.51 : 5,482.58 = 1,705.65 : x
  2. Step 2: Convert to fraction form
    3,654.51/5,482.58 = 1,705.65/x
  3. Step 3: Cross multiply
    3,654.51x = 5,482.58 × 1,705.65
  4. Step 4: Simplify right side
    3,654.51x = 9,351,362.58
  5. Step 5: Solve for x
    x = 9,351,362.58/3,654.51
  6. Step 6: Final answer
    x = 2,558.86

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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.