Home / 3,159.01-4,738.55-1,210.75

Finding the Fourth Proportional to 3,159.01, 4,738.55 and 1,210.75

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Solution

The fourth proportional to 3,159.01, 4,738.55 and 1,210.75 is: 1,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.01 : 4,738.55 = 1,210.75 : x
  2. Step 2: Convert to fraction form
    3,159.01/4,738.55 = 1,210.75/x
  3. Step 3: Cross multiply
    3,159.01x = 4,738.55 × 1,210.75
  4. Step 4: Simplify right side
    3,159.01x = 5,737,193.36
  5. Step 5: Solve for x
    x = 5,737,193.36/3,159.01
  6. Step 6: Final answer
    x = 1,816.14

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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.