Home / 3,693.08-5,538.84-1,095.40

Finding the Fourth Proportional to 3,693.08, 5,538.84 and 1,095.40

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Solution

The fourth proportional to 3,693.08, 5,538.84 and 1,095.40 is: 1,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.08 : 5,538.84 = 1,095.40 : x
  2. Step 2: Convert to fraction form
    3,693.08/5,538.84 = 1,095.40/x
  3. Step 3: Cross multiply
    3,693.08x = 5,538.84 × 1,095.40
  4. Step 4: Simplify right side
    3,693.08x = 6,067,245.34
  5. Step 5: Solve for x
    x = 6,067,245.34/3,693.08
  6. Step 6: Final answer
    x = 1,642.87

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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.