Home / 3,218.84-4,444.13-2,471.45

Finding the Fourth Proportional to 3,218.84, 4,444.13 and 2,471.45

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Solution

The fourth proportional to 3,218.84, 4,444.13 and 2,471.45 is: 3,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.84 : 4,444.13 = 2,471.45 : x
  2. Step 2: Convert to fraction form
    3,218.84/4,444.13 = 2,471.45/x
  3. Step 3: Cross multiply
    3,218.84x = 4,444.13 × 2,471.45
  4. Step 4: Simplify right side
    3,218.84x = 10,983,429.05
  5. Step 5: Solve for x
    x = 10,983,429.05/3,218.84
  6. Step 6: Final answer
    x = 3,412.23

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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.