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Finding the Fourth Proportional to 2,053.70, 3,064.25 and 1,729.70

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Solution

The fourth proportional to 2,053.70, 3,064.25 and 1,729.70 is: 2,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.70 : 3,064.25 = 1,729.70 : x
  2. Step 2: Convert to fraction form
    2,053.70/3,064.25 = 1,729.70/x
  3. Step 3: Cross multiply
    2,053.70x = 3,064.25 × 1,729.70
  4. Step 4: Simplify right side
    2,053.70x = 5,300,224.58
  5. Step 5: Solve for x
    x = 5,300,224.58/2,053.70
  6. Step 6: Final answer
    x = 2,580.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.