Home / 2,389.31-3,297.40-1,341.38

Finding the Fourth Proportional to 2,389.31, 3,297.40 and 1,341.38

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Solution

The fourth proportional to 2,389.31, 3,297.40 and 1,341.38 is: 1,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.31 : 3,297.40 = 1,341.38 : x
  2. Step 2: Convert to fraction form
    2,389.31/3,297.40 = 1,341.38/x
  3. Step 3: Cross multiply
    2,389.31x = 3,297.40 × 1,341.38
  4. Step 4: Simplify right side
    2,389.31x = 4,423,046.57
  5. Step 5: Solve for x
    x = 4,423,046.57/2,389.31
  6. Step 6: Final answer
    x = 1,851.18

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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.