Home / 3,655.94-5,482.61-1,190.30

Finding the Fourth Proportional to 3,655.94, 5,482.61 and 1,190.30

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Solution

The fourth proportional to 3,655.94, 5,482.61 and 1,190.30 is: 1,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.94 : 5,482.61 = 1,190.30 : x
  2. Step 2: Convert to fraction form
    3,655.94/5,482.61 = 1,190.30/x
  3. Step 3: Cross multiply
    3,655.94x = 5,482.61 × 1,190.30
  4. Step 4: Simplify right side
    3,655.94x = 6,525,921.78
  5. Step 5: Solve for x
    x = 6,525,921.78/3,655.94
  6. Step 6: Final answer
    x = 1,785.02

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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.