Home / 1,680.03-2,318.58-1,175.94

Finding the Fourth Proportional to 1,680.03, 2,318.58 and 1,175.94

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Solution

The fourth proportional to 1,680.03, 2,318.58 and 1,175.94 is: 1,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.03 : 2,318.58 = 1,175.94 : x
  2. Step 2: Convert to fraction form
    1,680.03/2,318.58 = 1,175.94/x
  3. Step 3: Cross multiply
    1,680.03x = 2,318.58 × 1,175.94
  4. Step 4: Simplify right side
    1,680.03x = 2,726,510.97
  5. Step 5: Solve for x
    x = 2,726,510.97/1,680.03
  6. Step 6: Final answer
    x = 1,622.89

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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.