Home / 1,644.20-2,259.52-1,568.06

Finding the Fourth Proportional to 1,644.20, 2,259.52 and 1,568.06

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Solution

The fourth proportional to 1,644.20, 2,259.52 and 1,568.06 is: 2,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.20 : 2,259.52 = 1,568.06 : x
  2. Step 2: Convert to fraction form
    1,644.20/2,259.52 = 1,568.06/x
  3. Step 3: Cross multiply
    1,644.20x = 2,259.52 × 1,568.06
  4. Step 4: Simplify right side
    1,644.20x = 3,543,062.93
  5. Step 5: Solve for x
    x = 3,543,062.93/1,644.20
  6. Step 6: Final answer
    x = 2,154.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.