Home / 3,364.60-4,642.90-1,872.48

Finding the Fourth Proportional to 3,364.60, 4,642.90 and 1,872.48

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Solution

The fourth proportional to 3,364.60, 4,642.90 and 1,872.48 is: 2,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.60 : 4,642.90 = 1,872.48 : x
  2. Step 2: Convert to fraction form
    3,364.60/4,642.90 = 1,872.48/x
  3. Step 3: Cross multiply
    3,364.60x = 4,642.90 × 1,872.48
  4. Step 4: Simplify right side
    3,364.60x = 8,693,737.39
  5. Step 5: Solve for x
    x = 8,693,737.39/3,364.60
  6. Step 6: Final answer
    x = 2,583.88

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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.