Home / 3,519.84-5,280.04-1,054.48

Finding the Fourth Proportional to 3,519.84, 5,280.04 and 1,054.48

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Solution

The fourth proportional to 3,519.84, 5,280.04 and 1,054.48 is: 1,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.84 : 5,280.04 = 1,054.48 : x
  2. Step 2: Convert to fraction form
    3,519.84/5,280.04 = 1,054.48/x
  3. Step 3: Cross multiply
    3,519.84x = 5,280.04 × 1,054.48
  4. Step 4: Simplify right side
    3,519.84x = 5,567,696.58
  5. Step 5: Solve for x
    x = 5,567,696.58/3,519.84
  6. Step 6: Final answer
    x = 1,581.80

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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.