Home / 1,972.36-2,722.51-1,175.93

Finding the Fourth Proportional to 1,972.36, 2,722.51 and 1,175.93

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Solution

The fourth proportional to 1,972.36, 2,722.51 and 1,175.93 is: 1,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.36 : 2,722.51 = 1,175.93 : x
  2. Step 2: Convert to fraction form
    1,972.36/2,722.51 = 1,175.93/x
  3. Step 3: Cross multiply
    1,972.36x = 2,722.51 × 1,175.93
  4. Step 4: Simplify right side
    1,972.36x = 3,201,481.18
  5. Step 5: Solve for x
    x = 3,201,481.18/1,972.36
  6. Step 6: Final answer
    x = 1,623.17

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1.5x scale

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.