Home / 1,745.77-2,411.30-1,305.63

Finding the Fourth Proportional to 1,745.77, 2,411.30 and 1,305.63

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Solution

The fourth proportional to 1,745.77, 2,411.30 and 1,305.63 is: 1,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.77 : 2,411.30 = 1,305.63 : x
  2. Step 2: Convert to fraction form
    1,745.77/2,411.30 = 1,305.63/x
  3. Step 3: Cross multiply
    1,745.77x = 2,411.30 × 1,305.63
  4. Step 4: Simplify right side
    1,745.77x = 3,148,265.62
  5. Step 5: Solve for x
    x = 3,148,265.62/1,745.77
  6. Step 6: Final answer
    x = 1,803.37

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1.5x scale

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.