Home / 1,091.03-1,632.81-848.66

Finding the Fourth Proportional to 1,091.03, 1,632.81 and 848.66

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Solution

The fourth proportional to 1,091.03, 1,632.81 and 848.66 is: 1,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.03 : 1,632.81 = 848.66 : x
  2. Step 2: Convert to fraction form
    1,091.03/1,632.81 = 848.66/x
  3. Step 3: Cross multiply
    1,091.03x = 1,632.81 × 848.66
  4. Step 4: Simplify right side
    1,091.03x = 1,385,700.53
  5. Step 5: Solve for x
    x = 1,385,700.53/1,091.03
  6. Step 6: Final answer
    x = 1,270.08

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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.