Home / 1,745.72-2,618.57-1,658.12

Finding the Fourth Proportional to 1,745.72, 2,618.57 and 1,658.12

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Solution

The fourth proportional to 1,745.72, 2,618.57 and 1,658.12 is: 2,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.72 : 2,618.57 = 1,658.12 : x
  2. Step 2: Convert to fraction form
    1,745.72/2,618.57 = 1,658.12/x
  3. Step 3: Cross multiply
    1,745.72x = 2,618.57 × 1,658.12
  4. Step 4: Simplify right side
    1,745.72x = 4,341,903.29
  5. Step 5: Solve for x
    x = 4,341,903.29/1,745.72
  6. Step 6: Final answer
    x = 2,487.17

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1.5x scale

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.