Home / 1,757.18-2,424.91-971.23

Finding the Fourth Proportional to 1,757.18, 2,424.91 and 971.23

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Solution

The fourth proportional to 1,757.18, 2,424.91 and 971.23 is: 1,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.18 : 2,424.91 = 971.23 : x
  2. Step 2: Convert to fraction form
    1,757.18/2,424.91 = 971.23/x
  3. Step 3: Cross multiply
    1,757.18x = 2,424.91 × 971.23
  4. Step 4: Simplify right side
    1,757.18x = 2,355,136.40
  5. Step 5: Solve for x
    x = 2,355,136.40/1,757.18
  6. Step 6: Final answer
    x = 1,340.29

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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.