Home / 2,390.84-3,299.64-1,459.34

Finding the Fourth Proportional to 2,390.84, 3,299.64 and 1,459.34

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Solution

The fourth proportional to 2,390.84, 3,299.64 and 1,459.34 is: 2,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.84 : 3,299.64 = 1,459.34 : x
  2. Step 2: Convert to fraction form
    2,390.84/3,299.64 = 1,459.34/x
  3. Step 3: Cross multiply
    2,390.84x = 3,299.64 × 1,459.34
  4. Step 4: Simplify right side
    2,390.84x = 4,815,296.64
  5. Step 5: Solve for x
    x = 4,815,296.64/2,390.84
  6. Step 6: Final answer
    x = 2,014.06

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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.