Home / 1,084.20-1,498.13-848.79

Finding the Fourth Proportional to 1,084.20, 1,498.13 and 848.79

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Solution

The fourth proportional to 1,084.20, 1,498.13 and 848.79 is: 1,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.20 : 1,498.13 = 848.79 : x
  2. Step 2: Convert to fraction form
    1,084.20/1,498.13 = 848.79/x
  3. Step 3: Cross multiply
    1,084.20x = 1,498.13 × 848.79
  4. Step 4: Simplify right side
    1,084.20x = 1,271,593.52
  5. Step 5: Solve for x
    x = 1,271,593.52/1,084.20
  6. Step 6: Final answer
    x = 1,172.84

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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.