Home / 3,166.32-4,368.78-1,907.04

Finding the Fourth Proportional to 3,166.32, 4,368.78 and 1,907.04

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Solution

The fourth proportional to 3,166.32, 4,368.78 and 1,907.04 is: 2,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.32 : 4,368.78 = 1,907.04 : x
  2. Step 2: Convert to fraction form
    3,166.32/4,368.78 = 1,907.04/x
  3. Step 3: Cross multiply
    3,166.32x = 4,368.78 × 1,907.04
  4. Step 4: Simplify right side
    3,166.32x = 8,331,438.21
  5. Step 5: Solve for x
    x = 8,331,438.21/3,166.32
  6. Step 6: Final answer
    x = 2,631.27

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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.