Home / 2,901.78-4,350.30-1,440.54

Finding the Fourth Proportional to 2,901.78, 4,350.30 and 1,440.54

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Solution

The fourth proportional to 2,901.78, 4,350.30 and 1,440.54 is: 2,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.78 : 4,350.30 = 1,440.54 : x
  2. Step 2: Convert to fraction form
    2,901.78/4,350.30 = 1,440.54/x
  3. Step 3: Cross multiply
    2,901.78x = 4,350.30 × 1,440.54
  4. Step 4: Simplify right side
    2,901.78x = 6,266,781.16
  5. Step 5: Solve for x
    x = 6,266,781.16/2,901.78
  6. Step 6: Final answer
    x = 2,159.63

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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.