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Finding the Fourth Proportional to 1,849.67, 2,775.55 and 983.96

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Solution

The fourth proportional to 1,849.67, 2,775.55 and 983.96 is: 1,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.67 : 2,775.55 = 983.96 : x
  2. Step 2: Convert to fraction form
    1,849.67/2,775.55 = 983.96/x
  3. Step 3: Cross multiply
    1,849.67x = 2,775.55 × 983.96
  4. Step 4: Simplify right side
    1,849.67x = 2,731,030.18
  5. Step 5: Solve for x
    x = 2,731,030.18/1,849.67
  6. Step 6: Final answer
    x = 1,476.50

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1.5x scale

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.