Home / 2,428.57-3,644.68-1,697.75

Finding the Fourth Proportional to 2,428.57, 3,644.68 and 1,697.75

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Solution

The fourth proportional to 2,428.57, 3,644.68 and 1,697.75 is: 2,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.57 : 3,644.68 = 1,697.75 : x
  2. Step 2: Convert to fraction form
    2,428.57/3,644.68 = 1,697.75/x
  3. Step 3: Cross multiply
    2,428.57x = 3,644.68 × 1,697.75
  4. Step 4: Simplify right side
    2,428.57x = 6,187,755.47
  5. Step 5: Solve for x
    x = 6,187,755.47/2,428.57
  6. Step 6: Final answer
    x = 2,547.90

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1.5x scale

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.