Home / 3,384.18-5,078.70-1,537.38

Finding the Fourth Proportional to 3,384.18, 5,078.70 and 1,537.38

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Solution

The fourth proportional to 3,384.18, 5,078.70 and 1,537.38 is: 2,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.18 : 5,078.70 = 1,537.38 : x
  2. Step 2: Convert to fraction form
    3,384.18/5,078.70 = 1,537.38/x
  3. Step 3: Cross multiply
    3,384.18x = 5,078.70 × 1,537.38
  4. Step 4: Simplify right side
    3,384.18x = 7,807,891.81
  5. Step 5: Solve for x
    x = 7,807,891.81/3,384.18
  6. Step 6: Final answer
    x = 2,307.17

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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.