Home / 3,644.40-5,465.90-1,178.48

Finding the Fourth Proportional to 3,644.40, 5,465.90 and 1,178.48

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Solution

The fourth proportional to 3,644.40, 5,465.90 and 1,178.48 is: 1,767.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.40 : 5,465.90 = 1,178.48 : x
  2. Step 2: Convert to fraction form
    3,644.40/5,465.90 = 1,178.48/x
  3. Step 3: Cross multiply
    3,644.40x = 5,465.90 × 1,178.48
  4. Step 4: Simplify right side
    3,644.40x = 6,441,453.83
  5. Step 5: Solve for x
    x = 6,441,453.83/3,644.40
  6. Step 6: Final answer
    x = 1,767.49

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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.