Home / 3,665.06-5,497.85-1,326.45

Finding the Fourth Proportional to 3,665.06, 5,497.85 and 1,326.45

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Solution

The fourth proportional to 3,665.06, 5,497.85 and 1,326.45 is: 1,989.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.06 : 5,497.85 = 1,326.45 : x
  2. Step 2: Convert to fraction form
    3,665.06/5,497.85 = 1,326.45/x
  3. Step 3: Cross multiply
    3,665.06x = 5,497.85 × 1,326.45
  4. Step 4: Simplify right side
    3,665.06x = 7,292,623.13
  5. Step 5: Solve for x
    x = 7,292,623.13/3,665.06
  6. Step 6: Final answer
    x = 1,989.77

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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.