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Finding the Fourth Proportional to 1,750.78, 2,626.52 and 1,576.49

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Solution

The fourth proportional to 1,750.78, 2,626.52 and 1,576.49 is: 2,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.78 : 2,626.52 = 1,576.49 : x
  2. Step 2: Convert to fraction form
    1,750.78/2,626.52 = 1,576.49/x
  3. Step 3: Cross multiply
    1,750.78x = 2,626.52 × 1,576.49
  4. Step 4: Simplify right side
    1,750.78x = 4,140,681.20
  5. Step 5: Solve for x
    x = 4,140,681.20/1,750.78
  6. Step 6: Final answer
    x = 2,365.05

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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.