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Finding the Fourth Proportional to 2,395.96, 3,593.64 and 1,780.56

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Solution

The fourth proportional to 2,395.96, 3,593.64 and 1,780.56 is: 2,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.96 : 3,593.64 = 1,780.56 : x
  2. Step 2: Convert to fraction form
    2,395.96/3,593.64 = 1,780.56/x
  3. Step 3: Cross multiply
    2,395.96x = 3,593.64 × 1,780.56
  4. Step 4: Simplify right side
    2,395.96x = 6,398,701.78
  5. Step 5: Solve for x
    x = 6,398,701.78/2,395.96
  6. Step 6: Final answer
    x = 2,670.62

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1.5x scale

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.