Home / 3,635.04-5,455.08-1,904.88

Finding the Fourth Proportional to 3,635.04, 5,455.08 and 1,904.88

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Solution

The fourth proportional to 3,635.04, 5,455.08 and 1,904.88 is: 2,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.04 : 5,455.08 = 1,904.88 : x
  2. Step 2: Convert to fraction form
    3,635.04/5,455.08 = 1,904.88/x
  3. Step 3: Cross multiply
    3,635.04x = 5,455.08 × 1,904.88
  4. Step 4: Simplify right side
    3,635.04x = 10,391,272.79
  5. Step 5: Solve for x
    x = 10,391,272.79/3,635.04
  6. Step 6: Final answer
    x = 2,858.64

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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.