Home / 3,538.46-5,307.70-1,457.94

Finding the Fourth Proportional to 3,538.46, 5,307.70 and 1,457.94

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Solution

The fourth proportional to 3,538.46, 5,307.70 and 1,457.94 is: 2,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.46 : 5,307.70 = 1,457.94 : x
  2. Step 2: Convert to fraction form
    3,538.46/5,307.70 = 1,457.94/x
  3. Step 3: Cross multiply
    3,538.46x = 5,307.70 × 1,457.94
  4. Step 4: Simplify right side
    3,538.46x = 7,738,308.14
  5. Step 5: Solve for x
    x = 7,738,308.14/3,538.46
  6. Step 6: Final answer
    x = 2,186.91

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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.