Home / 3,443.12-4,751.44-1,871.20

Finding the Fourth Proportional to 3,443.12, 4,751.44 and 1,871.20

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Solution

The fourth proportional to 3,443.12, 4,751.44 and 1,871.20 is: 2,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.12 : 4,751.44 = 1,871.20 : x
  2. Step 2: Convert to fraction form
    3,443.12/4,751.44 = 1,871.20/x
  3. Step 3: Cross multiply
    3,443.12x = 4,751.44 × 1,871.20
  4. Step 4: Simplify right side
    3,443.12x = 8,890,894.53
  5. Step 5: Solve for x
    x = 8,890,894.53/3,443.12
  6. Step 6: Final answer
    x = 2,582.22

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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.