Home / 1,988.14-2,982.63-601.49

Finding the Fourth Proportional to 1,988.14, 2,982.63 and 601.49

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Solution

The fourth proportional to 1,988.14, 2,982.63 and 601.49 is: 902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.14 : 2,982.63 = 601.49 : x
  2. Step 2: Convert to fraction form
    1,988.14/2,982.63 = 601.49/x
  3. Step 3: Cross multiply
    1,988.14x = 2,982.63 × 601.49
  4. Step 4: Simplify right side
    1,988.14x = 1,794,022.12
  5. Step 5: Solve for x
    x = 1,794,022.12/1,988.14
  6. Step 6: Final answer
    x = 902.36

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1.5x scale

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.