Home / 2,755.02-4,133.20-1,292.46

Finding the Fourth Proportional to 2,755.02, 4,133.20 and 1,292.46

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Solution

The fourth proportional to 2,755.02, 4,133.20 and 1,292.46 is: 1,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.02 : 4,133.20 = 1,292.46 : x
  2. Step 2: Convert to fraction form
    2,755.02/4,133.20 = 1,292.46/x
  3. Step 3: Cross multiply
    2,755.02x = 4,133.20 × 1,292.46
  4. Step 4: Simplify right side
    2,755.02x = 5,341,995.67
  5. Step 5: Solve for x
    x = 5,341,995.67/2,755.02
  6. Step 6: Final answer
    x = 1,939.00

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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.