Home / 3,538.89-5,307.32-1,347.44

Finding the Fourth Proportional to 3,538.89, 5,307.32 and 1,347.44

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Solution

The fourth proportional to 3,538.89, 5,307.32 and 1,347.44 is: 2,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.89 : 5,307.32 = 1,347.44 : x
  2. Step 2: Convert to fraction form
    3,538.89/5,307.32 = 1,347.44/x
  3. Step 3: Cross multiply
    3,538.89x = 5,307.32 × 1,347.44
  4. Step 4: Simplify right side
    3,538.89x = 7,151,272.09
  5. Step 5: Solve for x
    x = 7,151,272.09/3,538.89
  6. Step 6: Final answer
    x = 2,020.77

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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.