Home / 3,436.32-5,156.23-1,585.35

Finding the Fourth Proportional to 3,436.32, 5,156.23 and 1,585.35

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Solution

The fourth proportional to 3,436.32, 5,156.23 and 1,585.35 is: 2,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.32 : 5,156.23 = 1,585.35 : x
  2. Step 2: Convert to fraction form
    3,436.32/5,156.23 = 1,585.35/x
  3. Step 3: Cross multiply
    3,436.32x = 5,156.23 × 1,585.35
  4. Step 4: Simplify right side
    3,436.32x = 8,174,418.20
  5. Step 5: Solve for x
    x = 8,174,418.20/3,436.32
  6. Step 6: Final answer
    x = 2,378.83

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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.