Home / 1,988.07-2,982.01-601.35

Finding the Fourth Proportional to 1,988.07, 2,982.01 and 601.35

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Solution

The fourth proportional to 1,988.07, 2,982.01 and 601.35 is: 902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.07 : 2,982.01 = 601.35 : x
  2. Step 2: Convert to fraction form
    1,988.07/2,982.01 = 601.35/x
  3. Step 3: Cross multiply
    1,988.07x = 2,982.01 × 601.35
  4. Step 4: Simplify right side
    1,988.07x = 1,793,231.71
  5. Step 5: Solve for x
    x = 1,793,231.71/1,988.07
  6. Step 6: Final answer
    x = 902.00

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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.