Home / 3,538.35-5,307.26-1,808.19

Finding the Fourth Proportional to 3,538.35, 5,307.26 and 1,808.19

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Solution

The fourth proportional to 3,538.35, 5,307.26 and 1,808.19 is: 2,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.35 : 5,307.26 = 1,808.19 : x
  2. Step 2: Convert to fraction form
    3,538.35/5,307.26 = 1,808.19/x
  3. Step 3: Cross multiply
    3,538.35x = 5,307.26 × 1,808.19
  4. Step 4: Simplify right side
    3,538.35x = 9,596,525.42
  5. Step 5: Solve for x
    x = 9,596,525.42/3,538.35
  6. Step 6: Final answer
    x = 2,712.15

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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.