Home / 2,628.10-3,943.68-1,459.08

Finding the Fourth Proportional to 2,628.10, 3,943.68 and 1,459.08

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Solution

The fourth proportional to 2,628.10, 3,943.68 and 1,459.08 is: 2,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.10 : 3,943.68 = 1,459.08 : x
  2. Step 2: Convert to fraction form
    2,628.10/3,943.68 = 1,459.08/x
  3. Step 3: Cross multiply
    2,628.10x = 3,943.68 × 1,459.08
  4. Step 4: Simplify right side
    2,628.10x = 5,754,144.61
  5. Step 5: Solve for x
    x = 5,754,144.61/2,628.10
  6. Step 6: Final answer
    x = 2,189.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.