Home / 3,701.12-5,552.81-1,620.14

Finding the Fourth Proportional to 3,701.12, 5,552.81 and 1,620.14

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Solution

The fourth proportional to 3,701.12, 5,552.81 and 1,620.14 is: 2,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.12 : 5,552.81 = 1,620.14 : x
  2. Step 2: Convert to fraction form
    3,701.12/5,552.81 = 1,620.14/x
  3. Step 3: Cross multiply
    3,701.12x = 5,552.81 × 1,620.14
  4. Step 4: Simplify right side
    3,701.12x = 8,996,329.59
  5. Step 5: Solve for x
    x = 8,996,329.59/3,701.12
  6. Step 6: Final answer
    x = 2,430.70

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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.