Home / 2,405.13-3,319.08-1,342.87

Finding the Fourth Proportional to 2,405.13, 3,319.08 and 1,342.87

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Solution

The fourth proportional to 2,405.13, 3,319.08 and 1,342.87 is: 1,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.13 : 3,319.08 = 1,342.87 : x
  2. Step 2: Convert to fraction form
    2,405.13/3,319.08 = 1,342.87/x
  3. Step 3: Cross multiply
    2,405.13x = 3,319.08 × 1,342.87
  4. Step 4: Simplify right side
    2,405.13x = 4,457,092.96
  5. Step 5: Solve for x
    x = 4,457,092.96/2,405.13
  6. Step 6: Final answer
    x = 1,853.16

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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.