Home / 3,778.69-5,666.58-1,437.47

Finding the Fourth Proportional to 3,778.69, 5,666.58 and 1,437.47

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Solution

The fourth proportional to 3,778.69, 5,666.58 and 1,437.47 is: 2,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.69 : 5,666.58 = 1,437.47 : x
  2. Step 2: Convert to fraction form
    3,778.69/5,666.58 = 1,437.47/x
  3. Step 3: Cross multiply
    3,778.69x = 5,666.58 × 1,437.47
  4. Step 4: Simplify right side
    3,778.69x = 8,145,510.42
  5. Step 5: Solve for x
    x = 8,145,510.42/3,778.69
  6. Step 6: Final answer
    x = 2,155.64

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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.