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Finding the Fourth Proportional to 2,755.65, 4,133.30 and 1,000.72

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Solution

The fourth proportional to 2,755.65, 4,133.30 and 1,000.72 is: 1,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.65 : 4,133.30 = 1,000.72 : x
  2. Step 2: Convert to fraction form
    2,755.65/4,133.30 = 1,000.72/x
  3. Step 3: Cross multiply
    2,755.65x = 4,133.30 × 1,000.72
  4. Step 4: Simplify right side
    2,755.65x = 4,136,255.31
  5. Step 5: Solve for x
    x = 4,136,255.31/2,755.65
  6. Step 6: Final answer
    x = 1,501.01

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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.