Home / 1,368.13-2,047.93-1,324.39

Finding the Fourth Proportional to 1,368.13, 2,047.93 and 1,324.39

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Solution

The fourth proportional to 1,368.13, 2,047.93 and 1,324.39 is: 1,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.13 : 2,047.93 = 1,324.39 : x
  2. Step 2: Convert to fraction form
    1,368.13/2,047.93 = 1,324.39/x
  3. Step 3: Cross multiply
    1,368.13x = 2,047.93 × 1,324.39
  4. Step 4: Simplify right side
    1,368.13x = 2,712,258.01
  5. Step 5: Solve for x
    x = 2,712,258.01/1,368.13
  6. Step 6: Final answer
    x = 1,982.46

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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.