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Finding the Fourth Proportional to 3,262.80, 4,870.51 and 3,022.50

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Solution

The fourth proportional to 3,262.80, 4,870.51 and 3,022.50 is: 4,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.80 : 4,870.51 = 3,022.50 : x
  2. Step 2: Convert to fraction form
    3,262.80/4,870.51 = 3,022.50/x
  3. Step 3: Cross multiply
    3,262.80x = 4,870.51 × 3,022.50
  4. Step 4: Simplify right side
    3,262.80x = 14,721,116.48
  5. Step 5: Solve for x
    x = 14,721,116.48/3,262.80
  6. Step 6: Final answer
    x = 4,511.80

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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.