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Finding the Fourth Proportional to 2,014.70, 3,018.45 and 1,726.70

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Solution

The fourth proportional to 2,014.70, 3,018.45 and 1,726.70 is: 2,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.70 : 3,018.45 = 1,726.70 : x
  2. Step 2: Convert to fraction form
    2,014.70/3,018.45 = 1,726.70/x
  3. Step 3: Cross multiply
    2,014.70x = 3,018.45 × 1,726.70
  4. Step 4: Simplify right side
    2,014.70x = 5,211,957.62
  5. Step 5: Solve for x
    x = 5,211,957.62/2,014.70
  6. Step 6: Final answer
    x = 2,586.96

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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.