Home / 3,655.58-5,485.62-1,707.98

Finding the Fourth Proportional to 3,655.58, 5,485.62 and 1,707.98

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Solution

The fourth proportional to 3,655.58, 5,485.62 and 1,707.98 is: 2,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.58 : 5,485.62 = 1,707.98 : x
  2. Step 2: Convert to fraction form
    3,655.58/5,485.62 = 1,707.98/x
  3. Step 3: Cross multiply
    3,655.58x = 5,485.62 × 1,707.98
  4. Step 4: Simplify right side
    3,655.58x = 9,369,329.25
  5. Step 5: Solve for x
    x = 9,369,329.25/3,655.58
  6. Step 6: Final answer
    x = 2,563.02

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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.