Home / 3,438.01-4,742.71-2,176.95

Finding the Fourth Proportional to 3,438.01, 4,742.71 and 2,176.95

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Solution

The fourth proportional to 3,438.01, 4,742.71 and 2,176.95 is: 3,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.01 : 4,742.71 = 2,176.95 : x
  2. Step 2: Convert to fraction form
    3,438.01/4,742.71 = 2,176.95/x
  3. Step 3: Cross multiply
    3,438.01x = 4,742.71 × 2,176.95
  4. Step 4: Simplify right side
    3,438.01x = 10,324,642.53
  5. Step 5: Solve for x
    x = 10,324,642.53/3,438.01
  6. Step 6: Final answer
    x = 3,003.09

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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.