Home / 2,638.99-3,641.66-1,459.99

Finding the Fourth Proportional to 2,638.99, 3,641.66 and 1,459.99

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Solution

The fourth proportional to 2,638.99, 3,641.66 and 1,459.99 is: 2,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.99 : 3,641.66 = 1,459.99 : x
  2. Step 2: Convert to fraction form
    2,638.99/3,641.66 = 1,459.99/x
  3. Step 3: Cross multiply
    2,638.99x = 3,641.66 × 1,459.99
  4. Step 4: Simplify right side
    2,638.99x = 5,316,794.46
  5. Step 5: Solve for x
    x = 5,316,794.46/2,638.99
  6. Step 6: Final answer
    x = 2,014.71

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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.