Home / 3,364.49-4,642.93-1,872.39

Finding the Fourth Proportional to 3,364.49, 4,642.93 and 1,872.39

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Solution

The fourth proportional to 3,364.49, 4,642.93 and 1,872.39 is: 2,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.49 : 4,642.93 = 1,872.39 : x
  2. Step 2: Convert to fraction form
    3,364.49/4,642.93 = 1,872.39/x
  3. Step 3: Cross multiply
    3,364.49x = 4,642.93 × 1,872.39
  4. Step 4: Simplify right side
    3,364.49x = 8,693,370.60
  5. Step 5: Solve for x
    x = 8,693,370.60/3,364.49
  6. Step 6: Final answer
    x = 2,583.86

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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.