Home / 3,439.46-5,159.54-1,248.36

Finding the Fourth Proportional to 3,439.46, 5,159.54 and 1,248.36

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Solution

The fourth proportional to 3,439.46, 5,159.54 and 1,248.36 is: 1,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.46 : 5,159.54 = 1,248.36 : x
  2. Step 2: Convert to fraction form
    3,439.46/5,159.54 = 1,248.36/x
  3. Step 3: Cross multiply
    3,439.46x = 5,159.54 × 1,248.36
  4. Step 4: Simplify right side
    3,439.46x = 6,440,970.01
  5. Step 5: Solve for x
    x = 6,440,970.01/3,439.46
  6. Step 6: Final answer
    x = 1,872.67

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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.