Home / 3,346.34-5,019.59-1,125.20

Finding the Fourth Proportional to 3,346.34, 5,019.59 and 1,125.20

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Solution

The fourth proportional to 3,346.34, 5,019.59 and 1,125.20 is: 1,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.34 : 5,019.59 = 1,125.20 : x
  2. Step 2: Convert to fraction form
    3,346.34/5,019.59 = 1,125.20/x
  3. Step 3: Cross multiply
    3,346.34x = 5,019.59 × 1,125.20
  4. Step 4: Simplify right side
    3,346.34x = 5,648,041.26
  5. Step 5: Solve for x
    x = 5,648,041.26/3,346.34
  6. Step 6: Final answer
    x = 1,687.83

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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.