Home / 2,370.18-3,556.38-983.90

Finding the Fourth Proportional to 2,370.18, 3,556.38 and 983.90

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Solution

The fourth proportional to 2,370.18, 3,556.38 and 983.90 is: 1,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.18 : 3,556.38 = 983.90 : x
  2. Step 2: Convert to fraction form
    2,370.18/3,556.38 = 983.90/x
  3. Step 3: Cross multiply
    2,370.18x = 3,556.38 × 983.90
  4. Step 4: Simplify right side
    2,370.18x = 3,499,122.28
  5. Step 5: Solve for x
    x = 3,499,122.28/2,370.18
  6. Step 6: Final answer
    x = 1,476.31

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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.