Home / 3,443.10-4,751.48-1,871.18

Finding the Fourth Proportional to 3,443.10, 4,751.48 and 1,871.18

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Solution

The fourth proportional to 3,443.10, 4,751.48 and 1,871.18 is: 2,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.10 : 4,751.48 = 1,871.18 : x
  2. Step 2: Convert to fraction form
    3,443.10/4,751.48 = 1,871.18/x
  3. Step 3: Cross multiply
    3,443.10x = 4,751.48 × 1,871.18
  4. Step 4: Simplify right side
    3,443.10x = 8,890,874.35
  5. Step 5: Solve for x
    x = 8,890,874.35/3,443.10
  6. Step 6: Final answer
    x = 2,582.23

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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.