Home / 3,364.23-4,642.70-1,872.29

Finding the Fourth Proportional to 3,364.23, 4,642.70 and 1,872.29

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Solution

The fourth proportional to 3,364.23, 4,642.70 and 1,872.29 is: 2,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.23 : 4,642.70 = 1,872.29 : x
  2. Step 2: Convert to fraction form
    3,364.23/4,642.70 = 1,872.29/x
  3. Step 3: Cross multiply
    3,364.23x = 4,642.70 × 1,872.29
  4. Step 4: Simplify right side
    3,364.23x = 8,692,488.40
  5. Step 5: Solve for x
    x = 8,692,488.40/3,364.23
  6. Step 6: Final answer
    x = 2,583.79

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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.