Home / 3,167.23-4,368.71-1,907.42

Finding the Fourth Proportional to 3,167.23, 4,368.71 and 1,907.42

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Solution

The fourth proportional to 3,167.23, 4,368.71 and 1,907.42 is: 2,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.23 : 4,368.71 = 1,907.42 : x
  2. Step 2: Convert to fraction form
    3,167.23/4,368.71 = 1,907.42/x
  3. Step 3: Cross multiply
    3,167.23x = 4,368.71 × 1,907.42
  4. Step 4: Simplify right side
    3,167.23x = 8,332,964.83
  5. Step 5: Solve for x
    x = 8,332,964.83/3,167.23
  6. Step 6: Final answer
    x = 2,630.99

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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.