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Finding the Fourth Proportional to 2,017.70, 3,026.18 and 556.50

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Solution

The fourth proportional to 2,017.70, 3,026.18 and 556.50 is: 834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.70 : 3,026.18 = 556.50 : x
  2. Step 2: Convert to fraction form
    2,017.70/3,026.18 = 556.50/x
  3. Step 3: Cross multiply
    2,017.70x = 3,026.18 × 556.50
  4. Step 4: Simplify right side
    2,017.70x = 1,684,069.17
  5. Step 5: Solve for x
    x = 1,684,069.17/2,017.70
  6. Step 6: Final answer
    x = 834.65

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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.