Home / 2,907.11-4,358.90-1,173.71

Finding the Fourth Proportional to 2,907.11, 4,358.90 and 1,173.71

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Solution

The fourth proportional to 2,907.11, 4,358.90 and 1,173.71 is: 1,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.11 : 4,358.90 = 1,173.71 : x
  2. Step 2: Convert to fraction form
    2,907.11/4,358.90 = 1,173.71/x
  3. Step 3: Cross multiply
    2,907.11x = 4,358.90 × 1,173.71
  4. Step 4: Simplify right side
    2,907.11x = 5,116,084.52
  5. Step 5: Solve for x
    x = 5,116,084.52/2,907.11
  6. Step 6: Final answer
    x = 1,759.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.