Home / 1,644.67-2,269.33-1,015.74

Finding the Fourth Proportional to 1,644.67, 2,269.33 and 1,015.74

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Solution

The fourth proportional to 1,644.67, 2,269.33 and 1,015.74 is: 1,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.67 : 2,269.33 = 1,015.74 : x
  2. Step 2: Convert to fraction form
    1,644.67/2,269.33 = 1,015.74/x
  3. Step 3: Cross multiply
    1,644.67x = 2,269.33 × 1,015.74
  4. Step 4: Simplify right side
    1,644.67x = 2,305,037.91
  5. Step 5: Solve for x
    x = 2,305,037.91/1,644.67
  6. Step 6: Final answer
    x = 1,401.52

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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.