Home / 2,406.19-3,319.99-1,357.87

Finding the Fourth Proportional to 2,406.19, 3,319.99 and 1,357.87

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Solution

The fourth proportional to 2,406.19, 3,319.99 and 1,357.87 is: 1,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.19 : 3,319.99 = 1,357.87 : x
  2. Step 2: Convert to fraction form
    2,406.19/3,319.99 = 1,357.87/x
  3. Step 3: Cross multiply
    2,406.19x = 3,319.99 × 1,357.87
  4. Step 4: Simplify right side
    2,406.19x = 4,508,114.82
  5. Step 5: Solve for x
    x = 4,508,114.82/2,406.19
  6. Step 6: Final answer
    x = 1,873.55

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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.