Home / 3,916.48-5,404.50-2,343.64

Finding the Fourth Proportional to 3,916.48, 5,404.50 and 2,343.64

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Solution

The fourth proportional to 3,916.48, 5,404.50 and 2,343.64 is: 3,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.48 : 5,404.50 = 2,343.64 : x
  2. Step 2: Convert to fraction form
    3,916.48/5,404.50 = 2,343.64/x
  3. Step 3: Cross multiply
    3,916.48x = 5,404.50 × 2,343.64
  4. Step 4: Simplify right side
    3,916.48x = 12,666,202.38
  5. Step 5: Solve for x
    x = 12,666,202.38/3,916.48
  6. Step 6: Final answer
    x = 3,234.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.