Home / 3,636.18-5,456.07-1,688.04

Finding the Fourth Proportional to 3,636.18, 5,456.07 and 1,688.04

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Solution

The fourth proportional to 3,636.18, 5,456.07 and 1,688.04 is: 2,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.18 : 5,456.07 = 1,688.04 : x
  2. Step 2: Convert to fraction form
    3,636.18/5,456.07 = 1,688.04/x
  3. Step 3: Cross multiply
    3,636.18x = 5,456.07 × 1,688.04
  4. Step 4: Simplify right side
    3,636.18x = 9,210,064.40
  5. Step 5: Solve for x
    x = 9,210,064.40/3,636.18
  6. Step 6: Final answer
    x = 2,532.90

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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.