Home / 3,643.50-5,462.40-1,697.10

Finding the Fourth Proportional to 3,643.50, 5,462.40 and 1,697.10

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Solution

The fourth proportional to 3,643.50, 5,462.40 and 1,697.10 is: 2,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.50 : 5,462.40 = 1,697.10 : x
  2. Step 2: Convert to fraction form
    3,643.50/5,462.40 = 1,697.10/x
  3. Step 3: Cross multiply
    3,643.50x = 5,462.40 × 1,697.10
  4. Step 4: Simplify right side
    3,643.50x = 9,270,239.04
  5. Step 5: Solve for x
    x = 9,270,239.04/3,643.50
  6. Step 6: Final answer
    x = 2,544.32

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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.