Home / 2,371.51-3,556.04-985.13

Finding the Fourth Proportional to 2,371.51, 3,556.04 and 985.13

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Solution

The fourth proportional to 2,371.51, 3,556.04 and 985.13 is: 1,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.51 : 3,556.04 = 985.13 : x
  2. Step 2: Convert to fraction form
    2,371.51/3,556.04 = 985.13/x
  3. Step 3: Cross multiply
    2,371.51x = 3,556.04 × 985.13
  4. Step 4: Simplify right side
    2,371.51x = 3,503,152.31
  5. Step 5: Solve for x
    x = 3,503,152.31/2,371.51
  6. Step 6: Final answer
    x = 1,477.18

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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.