Home / 3,440.50-5,158.74-1,358.08

Finding the Fourth Proportional to 3,440.50, 5,158.74 and 1,358.08

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Solution

The fourth proportional to 3,440.50, 5,158.74 and 1,358.08 is: 2,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.50 : 5,158.74 = 1,358.08 : x
  2. Step 2: Convert to fraction form
    3,440.50/5,158.74 = 1,358.08/x
  3. Step 3: Cross multiply
    3,440.50x = 5,158.74 × 1,358.08
  4. Step 4: Simplify right side
    3,440.50x = 7,005,981.62
  5. Step 5: Solve for x
    x = 7,005,981.62/3,440.50
  6. Step 6: Final answer
    x = 2,036.33

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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.