Home / 1,767.40-2,646.06-1,175.32

Finding the Fourth Proportional to 1,767.40, 2,646.06 and 1,175.32

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Solution

The fourth proportional to 1,767.40, 2,646.06 and 1,175.32 is: 1,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.40 : 2,646.06 = 1,175.32 : x
  2. Step 2: Convert to fraction form
    1,767.40/2,646.06 = 1,175.32/x
  3. Step 3: Cross multiply
    1,767.40x = 2,646.06 × 1,175.32
  4. Step 4: Simplify right side
    1,767.40x = 3,109,967.24
  5. Step 5: Solve for x
    x = 3,109,967.24/1,767.40
  6. Step 6: Final answer
    x = 1,759.63

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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.