Home / 1,850.07-2,773.65-972.69

Finding the Fourth Proportional to 1,850.07, 2,773.65 and 972.69

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Solution

The fourth proportional to 1,850.07, 2,773.65 and 972.69 is: 1,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.07 : 2,773.65 = 972.69 : x
  2. Step 2: Convert to fraction form
    1,850.07/2,773.65 = 972.69/x
  3. Step 3: Cross multiply
    1,850.07x = 2,773.65 × 972.69
  4. Step 4: Simplify right side
    1,850.07x = 2,697,901.62
  5. Step 5: Solve for x
    x = 2,697,901.62/1,850.07
  6. Step 6: Final answer
    x = 1,458.27

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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.