Home / 3,608.02-5,386.69-2,911.96

Finding the Fourth Proportional to 3,608.02, 5,386.69 and 2,911.96

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Solution

The fourth proportional to 3,608.02, 5,386.69 and 2,911.96 is: 4,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.02 : 5,386.69 = 2,911.96 : x
  2. Step 2: Convert to fraction form
    3,608.02/5,386.69 = 2,911.96/x
  3. Step 3: Cross multiply
    3,608.02x = 5,386.69 × 2,911.96
  4. Step 4: Simplify right side
    3,608.02x = 15,685,825.81
  5. Step 5: Solve for x
    x = 15,685,825.81/3,608.02
  6. Step 6: Final answer
    x = 4,347.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.