Home / 1,984.84-2,976.96-1,252.18

Finding the Fourth Proportional to 1,984.84, 2,976.96 and 1,252.18

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Solution

The fourth proportional to 1,984.84, 2,976.96 and 1,252.18 is: 1,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.84 : 2,976.96 = 1,252.18 : x
  2. Step 2: Convert to fraction form
    1,984.84/2,976.96 = 1,252.18/x
  3. Step 3: Cross multiply
    1,984.84x = 2,976.96 × 1,252.18
  4. Step 4: Simplify right side
    1,984.84x = 3,727,689.77
  5. Step 5: Solve for x
    x = 3,727,689.77/1,984.84
  6. Step 6: Final answer
    x = 1,878.08

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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.