Home / 1,752.68-2,420.61-1,644.14

Finding the Fourth Proportional to 1,752.68, 2,420.61 and 1,644.14

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Solution

The fourth proportional to 1,752.68, 2,420.61 and 1,644.14 is: 2,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.68 : 2,420.61 = 1,644.14 : x
  2. Step 2: Convert to fraction form
    1,752.68/2,420.61 = 1,644.14/x
  3. Step 3: Cross multiply
    1,752.68x = 2,420.61 × 1,644.14
  4. Step 4: Simplify right side
    1,752.68x = 3,979,821.73
  5. Step 5: Solve for x
    x = 3,979,821.73/1,752.68
  6. Step 6: Final answer
    x = 2,270.71

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1.5x scale

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.