Home / 1,988.58-2,983.23-601.86

Finding the Fourth Proportional to 1,988.58, 2,983.23 and 601.86

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Solution

The fourth proportional to 1,988.58, 2,983.23 and 601.86 is: 902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.58 : 2,983.23 = 601.86 : x
  2. Step 2: Convert to fraction form
    1,988.58/2,983.23 = 601.86/x
  3. Step 3: Cross multiply
    1,988.58x = 2,983.23 × 601.86
  4. Step 4: Simplify right side
    1,988.58x = 1,795,486.81
  5. Step 5: Solve for x
    x = 1,795,486.81/1,988.58
  6. Step 6: Final answer
    x = 902.90

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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.