Home / 1,985.49-2,972.70-1,497.06

Finding the Fourth Proportional to 1,985.49, 2,972.70 and 1,497.06

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Solution

The fourth proportional to 1,985.49, 2,972.70 and 1,497.06 is: 2,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.49 : 2,972.70 = 1,497.06 : x
  2. Step 2: Convert to fraction form
    1,985.49/2,972.70 = 1,497.06/x
  3. Step 3: Cross multiply
    1,985.49x = 2,972.70 × 1,497.06
  4. Step 4: Simplify right side
    1,985.49x = 4,450,310.26
  5. Step 5: Solve for x
    x = 4,450,310.26/1,985.49
  6. Step 6: Final answer
    x = 2,241.42

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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.