Home / 1,745.08-2,616.60-705.04

Finding the Fourth Proportional to 1,745.08, 2,616.60 and 705.04

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Solution

The fourth proportional to 1,745.08, 2,616.60 and 705.04 is: 1,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.08 : 2,616.60 = 705.04 : x
  2. Step 2: Convert to fraction form
    1,745.08/2,616.60 = 705.04/x
  3. Step 3: Cross multiply
    1,745.08x = 2,616.60 × 705.04
  4. Step 4: Simplify right side
    1,745.08x = 1,844,807.66
  5. Step 5: Solve for x
    x = 1,844,807.66/1,745.08
  6. Step 6: Final answer
    x = 1,057.15

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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.