Home / 3,219.98-4,445.09-2,423.61

Finding the Fourth Proportional to 3,219.98, 4,445.09 and 2,423.61

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Solution

The fourth proportional to 3,219.98, 4,445.09 and 2,423.61 is: 3,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.98 : 4,445.09 = 2,423.61 : x
  2. Step 2: Convert to fraction form
    3,219.98/4,445.09 = 2,423.61/x
  3. Step 3: Cross multiply
    3,219.98x = 4,445.09 × 2,423.61
  4. Step 4: Simplify right side
    3,219.98x = 10,773,152.46
  5. Step 5: Solve for x
    x = 10,773,152.46/3,219.98
  6. Step 6: Final answer
    x = 3,345.73

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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.