Home / 2,390.59-3,298.97-1,459.09

Finding the Fourth Proportional to 2,390.59, 3,298.97 and 1,459.09

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Solution

The fourth proportional to 2,390.59, 3,298.97 and 1,459.09 is: 2,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.59 : 3,298.97 = 1,459.09 : x
  2. Step 2: Convert to fraction form
    2,390.59/3,298.97 = 1,459.09/x
  3. Step 3: Cross multiply
    2,390.59x = 3,298.97 × 1,459.09
  4. Step 4: Simplify right side
    2,390.59x = 4,813,470.35
  5. Step 5: Solve for x
    x = 4,813,470.35/2,390.59
  6. Step 6: Final answer
    x = 2,013.51

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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.