Home / 1,482.84-2,211.73-1,397.18

Finding the Fourth Proportional to 1,482.84, 2,211.73 and 1,397.18

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Solution

The fourth proportional to 1,482.84, 2,211.73 and 1,397.18 is: 2,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.84 : 2,211.73 = 1,397.18 : x
  2. Step 2: Convert to fraction form
    1,482.84/2,211.73 = 1,397.18/x
  3. Step 3: Cross multiply
    1,482.84x = 2,211.73 × 1,397.18
  4. Step 4: Simplify right side
    1,482.84x = 3,090,194.82
  5. Step 5: Solve for x
    x = 3,090,194.82/1,482.84
  6. Step 6: Final answer
    x = 2,083.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.