Home / 3,433.10-5,145.67-1,580.32

Finding the Fourth Proportional to 3,433.10, 5,145.67 and 1,580.32

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Solution

The fourth proportional to 3,433.10, 5,145.67 and 1,580.32 is: 2,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.10 : 5,145.67 = 1,580.32 : x
  2. Step 2: Convert to fraction form
    3,433.10/5,145.67 = 1,580.32/x
  3. Step 3: Cross multiply
    3,433.10x = 5,145.67 × 1,580.32
  4. Step 4: Simplify right side
    3,433.10x = 8,131,797.31
  5. Step 5: Solve for x
    x = 8,131,797.31/3,433.10
  6. Step 6: Final answer
    x = 2,368.65

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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.