Home / 3,810.08-5,715.80-1,346.34

Finding the Fourth Proportional to 3,810.08, 5,715.80 and 1,346.34

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Solution

The fourth proportional to 3,810.08, 5,715.80 and 1,346.34 is: 2,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.08 : 5,715.80 = 1,346.34 : x
  2. Step 2: Convert to fraction form
    3,810.08/5,715.80 = 1,346.34/x
  3. Step 3: Cross multiply
    3,810.08x = 5,715.80 × 1,346.34
  4. Step 4: Simplify right side
    3,810.08x = 7,695,410.17
  5. Step 5: Solve for x
    x = 7,695,410.17/3,810.08
  6. Step 6: Final answer
    x = 2,019.75

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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.