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Finding the Fourth Proportional to 2,395.56, 3,305.85 and 1,347.62

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Solution

The fourth proportional to 2,395.56, 3,305.85 and 1,347.62 is: 1,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.56 : 3,305.85 = 1,347.62 : x
  2. Step 2: Convert to fraction form
    2,395.56/3,305.85 = 1,347.62/x
  3. Step 3: Cross multiply
    2,395.56x = 3,305.85 × 1,347.62
  4. Step 4: Simplify right side
    2,395.56x = 4,455,013.05
  5. Step 5: Solve for x
    x = 4,455,013.05/2,395.56
  6. Step 6: Final answer
    x = 1,859.70

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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.