Home / 2,996.84-4,135.62-1,670.53

Finding the Fourth Proportional to 2,996.84, 4,135.62 and 1,670.53

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Solution

The fourth proportional to 2,996.84, 4,135.62 and 1,670.53 is: 2,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.84 : 4,135.62 = 1,670.53 : x
  2. Step 2: Convert to fraction form
    2,996.84/4,135.62 = 1,670.53/x
  3. Step 3: Cross multiply
    2,996.84x = 4,135.62 × 1,670.53
  4. Step 4: Simplify right side
    2,996.84x = 6,908,677.28
  5. Step 5: Solve for x
    x = 6,908,677.28/2,996.84
  6. Step 6: Final answer
    x = 2,305.32

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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.