Home / 3,644.85-5,468.88-1,913.07

Finding the Fourth Proportional to 3,644.85, 5,468.88 and 1,913.07

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Solution

The fourth proportional to 3,644.85, 5,468.88 and 1,913.07 is: 2,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.85 : 5,468.88 = 1,913.07 : x
  2. Step 2: Convert to fraction form
    3,644.85/5,468.88 = 1,913.07/x
  3. Step 3: Cross multiply
    3,644.85x = 5,468.88 × 1,913.07
  4. Step 4: Simplify right side
    3,644.85x = 10,462,350.26
  5. Step 5: Solve for x
    x = 10,462,350.26/3,644.85
  6. Step 6: Final answer
    x = 2,870.45

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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.