Home / 1,757.10-2,424.82-971.12

Finding the Fourth Proportional to 1,757.10, 2,424.82 and 971.12

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Solution

The fourth proportional to 1,757.10, 2,424.82 and 971.12 is: 1,340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.10 : 2,424.82 = 971.12 : x
  2. Step 2: Convert to fraction form
    1,757.10/2,424.82 = 971.12/x
  3. Step 3: Cross multiply
    1,757.10x = 2,424.82 × 971.12
  4. Step 4: Simplify right side
    1,757.10x = 2,354,791.20
  5. Step 5: Solve for x
    x = 2,354,791.20/1,757.10
  6. Step 6: Final answer
    x = 1,340.16

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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.