Home / 3,364.42-4,642.80-1,872.28

Finding the Fourth Proportional to 3,364.42, 4,642.80 and 1,872.28

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Solution

The fourth proportional to 3,364.42, 4,642.80 and 1,872.28 is: 2,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.42 : 4,642.80 = 1,872.28 : x
  2. Step 2: Convert to fraction form
    3,364.42/4,642.80 = 1,872.28/x
  3. Step 3: Cross multiply
    3,364.42x = 4,642.80 × 1,872.28
  4. Step 4: Simplify right side
    3,364.42x = 8,692,621.58
  5. Step 5: Solve for x
    x = 8,692,621.58/3,364.42
  6. Step 6: Final answer
    x = 2,583.69

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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.