Home / 3,444.90-4,751.13-2,118.12

Finding the Fourth Proportional to 3,444.90, 4,751.13 and 2,118.12

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Solution

The fourth proportional to 3,444.90, 4,751.13 and 2,118.12 is: 2,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.90 : 4,751.13 = 2,118.12 : x
  2. Step 2: Convert to fraction form
    3,444.90/4,751.13 = 2,118.12/x
  3. Step 3: Cross multiply
    3,444.90x = 4,751.13 × 2,118.12
  4. Step 4: Simplify right side
    3,444.90x = 10,063,463.48
  5. Step 5: Solve for x
    x = 10,063,463.48/3,444.90
  6. Step 6: Final answer
    x = 2,921.26

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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.