Home / 3,416.56-5,125.85-1,442.38

Finding the Fourth Proportional to 3,416.56, 5,125.85 and 1,442.38

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Solution

The fourth proportional to 3,416.56, 5,125.85 and 1,442.38 is: 2,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.56 : 5,125.85 = 1,442.38 : x
  2. Step 2: Convert to fraction form
    3,416.56/5,125.85 = 1,442.38/x
  3. Step 3: Cross multiply
    3,416.56x = 5,125.85 × 1,442.38
  4. Step 4: Simplify right side
    3,416.56x = 7,393,423.52
  5. Step 5: Solve for x
    x = 7,393,423.52/3,416.56
  6. Step 6: Final answer
    x = 2,164.00

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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.