Home / 2,402.13-3,314.93-1,298.13

Finding the Fourth Proportional to 2,402.13, 3,314.93 and 1,298.13

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Solution

The fourth proportional to 2,402.13, 3,314.93 and 1,298.13 is: 1,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.13 : 3,314.93 = 1,298.13 : x
  2. Step 2: Convert to fraction form
    2,402.13/3,314.93 = 1,298.13/x
  3. Step 3: Cross multiply
    2,402.13x = 3,314.93 × 1,298.13
  4. Step 4: Simplify right side
    2,402.13x = 4,303,196.75
  5. Step 5: Solve for x
    x = 4,303,196.75/2,402.13
  6. Step 6: Final answer
    x = 1,791.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.