Home / 2,389.56-3,297.90-1,341.88

Finding the Fourth Proportional to 2,389.56, 3,297.90 and 1,341.88

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Solution

The fourth proportional to 2,389.56, 3,297.90 and 1,341.88 is: 1,851.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.56 : 3,297.90 = 1,341.88 : x
  2. Step 2: Convert to fraction form
    2,389.56/3,297.90 = 1,341.88/x
  3. Step 3: Cross multiply
    2,389.56x = 3,297.90 × 1,341.88
  4. Step 4: Simplify right side
    2,389.56x = 4,425,386.05
  5. Step 5: Solve for x
    x = 4,425,386.05/2,389.56
  6. Step 6: Final answer
    x = 1,851.97

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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.