Home / 3,443.45-4,751.96-1,871.55

Finding the Fourth Proportional to 3,443.45, 4,751.96 and 1,871.55

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Solution

The fourth proportional to 3,443.45, 4,751.96 and 1,871.55 is: 2,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.45 : 4,751.96 = 1,871.55 : x
  2. Step 2: Convert to fraction form
    3,443.45/4,751.96 = 1,871.55/x
  3. Step 3: Cross multiply
    3,443.45x = 4,751.96 × 1,871.55
  4. Step 4: Simplify right side
    3,443.45x = 8,893,530.74
  5. Step 5: Solve for x
    x = 8,893,530.74/3,443.45
  6. Step 6: Final answer
    x = 2,582.74

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1.5x scale

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.