Home / 3,688.39-5,533.14-1,316.29

Finding the Fourth Proportional to 3,688.39, 5,533.14 and 1,316.29

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Solution

The fourth proportional to 3,688.39, 5,533.14 and 1,316.29 is: 1,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.39 : 5,533.14 = 1,316.29 : x
  2. Step 2: Convert to fraction form
    3,688.39/5,533.14 = 1,316.29/x
  3. Step 3: Cross multiply
    3,688.39x = 5,533.14 × 1,316.29
  4. Step 4: Simplify right side
    3,688.39x = 7,283,222.78
  5. Step 5: Solve for x
    x = 7,283,222.78/3,688.39
  6. Step 6: Final answer
    x = 1,974.63

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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.