Home / 2,881.84-3,977.64-1,703.28

Finding the Fourth Proportional to 2,881.84, 3,977.64 and 1,703.28

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Solution

The fourth proportional to 2,881.84, 3,977.64 and 1,703.28 is: 2,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.84 : 3,977.64 = 1,703.28 : x
  2. Step 2: Convert to fraction form
    2,881.84/3,977.64 = 1,703.28/x
  3. Step 3: Cross multiply
    2,881.84x = 3,977.64 × 1,703.28
  4. Step 4: Simplify right side
    2,881.84x = 6,775,034.66
  5. Step 5: Solve for x
    x = 6,775,034.66/2,881.84
  6. Step 6: Final answer
    x = 2,350.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.