Home / 3,482.91-5,220.71-1,142.31

Finding the Fourth Proportional to 3,482.91, 5,220.71 and 1,142.31

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Solution

The fourth proportional to 3,482.91, 5,220.71 and 1,142.31 is: 1,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.91 : 5,220.71 = 1,142.31 : x
  2. Step 2: Convert to fraction form
    3,482.91/5,220.71 = 1,142.31/x
  3. Step 3: Cross multiply
    3,482.91x = 5,220.71 × 1,142.31
  4. Step 4: Simplify right side
    3,482.91x = 5,963,663.53
  5. Step 5: Solve for x
    x = 5,963,663.53/3,482.91
  6. Step 6: Final answer
    x = 1,712.26

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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.