Home / 1,965.10-2,946.84-1,175.26

Finding the Fourth Proportional to 1,965.10, 2,946.84 and 1,175.26

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Solution

The fourth proportional to 1,965.10, 2,946.84 and 1,175.26 is: 1,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.10 : 2,946.84 = 1,175.26 : x
  2. Step 2: Convert to fraction form
    1,965.10/2,946.84 = 1,175.26/x
  3. Step 3: Cross multiply
    1,965.10x = 2,946.84 × 1,175.26
  4. Step 4: Simplify right side
    1,965.10x = 3,463,303.18
  5. Step 5: Solve for x
    x = 3,463,303.18/1,965.10
  6. Step 6: Final answer
    x = 1,762.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.