Home / 3,538.04-5,307.91-1,072.71

Finding the Fourth Proportional to 3,538.04, 5,307.91 and 1,072.71

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Solution

The fourth proportional to 3,538.04, 5,307.91 and 1,072.71 is: 1,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.04 : 5,307.91 = 1,072.71 : x
  2. Step 2: Convert to fraction form
    3,538.04/5,307.91 = 1,072.71/x
  3. Step 3: Cross multiply
    3,538.04x = 5,307.91 × 1,072.71
  4. Step 4: Simplify right side
    3,538.04x = 5,693,845.45
  5. Step 5: Solve for x
    x = 5,693,845.45/3,538.04
  6. Step 6: Final answer
    x = 1,609.32

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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.