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Finding the Fourth Proportional to 2,395, 3,305.10 and 1,347.09

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Solution

The fourth proportional to 2,395, 3,305.10 and 1,347.09 is: 1,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395 : 3,305.10 = 1,347.09 : x
  2. Step 2: Convert to fraction form
    2,395/3,305.10 = 1,347.09/x
  3. Step 3: Cross multiply
    2,395x = 3,305.10 × 1,347.09
  4. Step 4: Simplify right side
    2,395x = 4,452,267.16
  5. Step 5: Solve for x
    x = 4,452,267.16/2,395
  6. Step 6: Final answer
    x = 1,858.98

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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.