Home / 2,406.15-3,319.92-1,358.01

Finding the Fourth Proportional to 2,406.15, 3,319.92 and 1,358.01

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Solution

The fourth proportional to 2,406.15, 3,319.92 and 1,358.01 is: 1,873.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.15 : 3,319.92 = 1,358.01 : x
  2. Step 2: Convert to fraction form
    2,406.15/3,319.92 = 1,358.01/x
  3. Step 3: Cross multiply
    2,406.15x = 3,319.92 × 1,358.01
  4. Step 4: Simplify right side
    2,406.15x = 4,508,484.56
  5. Step 5: Solve for x
    x = 4,508,484.56/2,406.15
  6. Step 6: Final answer
    x = 1,873.73

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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.