Home / 3,715.88-5,576.45-1,768.23

Finding the Fourth Proportional to 3,715.88, 5,576.45 and 1,768.23

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Solution

The fourth proportional to 3,715.88, 5,576.45 and 1,768.23 is: 2,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.88 : 5,576.45 = 1,768.23 : x
  2. Step 2: Convert to fraction form
    3,715.88/5,576.45 = 1,768.23/x
  3. Step 3: Cross multiply
    3,715.88x = 5,576.45 × 1,768.23
  4. Step 4: Simplify right side
    3,715.88x = 9,860,437.34
  5. Step 5: Solve for x
    x = 9,860,437.34/3,715.88
  6. Step 6: Final answer
    x = 2,653.60

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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.