Home / 1,745.76-2,410.70-1,276.32

Finding the Fourth Proportional to 1,745.76, 2,410.70 and 1,276.32

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Solution

The fourth proportional to 1,745.76, 2,410.70 and 1,276.32 is: 1,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.76 : 2,410.70 = 1,276.32 : x
  2. Step 2: Convert to fraction form
    1,745.76/2,410.70 = 1,276.32/x
  3. Step 3: Cross multiply
    1,745.76x = 2,410.70 × 1,276.32
  4. Step 4: Simplify right side
    1,745.76x = 3,076,824.62
  5. Step 5: Solve for x
    x = 3,076,824.62/1,745.76
  6. Step 6: Final answer
    x = 1,762.46

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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.