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Finding the Fourth Proportional to 1,745.74, 2,406.78 and 1,495.98

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Solution

The fourth proportional to 1,745.74, 2,406.78 and 1,495.98 is: 2,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.74 : 2,406.78 = 1,495.98 : x
  2. Step 2: Convert to fraction form
    1,745.74/2,406.78 = 1,495.98/x
  3. Step 3: Cross multiply
    1,745.74x = 2,406.78 × 1,495.98
  4. Step 4: Simplify right side
    1,745.74x = 3,600,494.74
  5. Step 5: Solve for x
    x = 3,600,494.74/1,745.74
  6. Step 6: Final answer
    x = 2,062.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.