Home / 3,220.98-4,446.47-2,424.61

Finding the Fourth Proportional to 3,220.98, 4,446.47 and 2,424.61

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Solution

The fourth proportional to 3,220.98, 4,446.47 and 2,424.61 is: 3,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.98 : 4,446.47 = 2,424.61 : x
  2. Step 2: Convert to fraction form
    3,220.98/4,446.47 = 2,424.61/x
  3. Step 3: Cross multiply
    3,220.98x = 4,446.47 × 2,424.61
  4. Step 4: Simplify right side
    3,220.98x = 10,780,955.63
  5. Step 5: Solve for x
    x = 10,780,955.63/3,220.98
  6. Step 6: Final answer
    x = 3,347.10

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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.