Home / 3,575.28-5,364.63-1,383.42

Finding the Fourth Proportional to 3,575.28, 5,364.63 and 1,383.42

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Solution

The fourth proportional to 3,575.28, 5,364.63 and 1,383.42 is: 2,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.28 : 5,364.63 = 1,383.42 : x
  2. Step 2: Convert to fraction form
    3,575.28/5,364.63 = 1,383.42/x
  3. Step 3: Cross multiply
    3,575.28x = 5,364.63 × 1,383.42
  4. Step 4: Simplify right side
    3,575.28x = 7,421,536.43
  5. Step 5: Solve for x
    x = 7,421,536.43/3,575.28
  6. Step 6: Final answer
    x = 2,075.79

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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.