Home / 3,364.20-4,642.88-1,872.45

Finding the Fourth Proportional to 3,364.20, 4,642.88 and 1,872.45

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Solution

The fourth proportional to 3,364.20, 4,642.88 and 1,872.45 is: 2,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.20 : 4,642.88 = 1,872.45 : x
  2. Step 2: Convert to fraction form
    3,364.20/4,642.88 = 1,872.45/x
  3. Step 3: Cross multiply
    3,364.20x = 4,642.88 × 1,872.45
  4. Step 4: Simplify right side
    3,364.20x = 8,693,551.29
  5. Step 5: Solve for x
    x = 8,693,551.29/3,364.20
  6. Step 6: Final answer
    x = 2,584.14

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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.