Home / 3,337.10-5,005.75-1,145.80

Finding the Fourth Proportional to 3,337.10, 5,005.75 and 1,145.80

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Solution

The fourth proportional to 3,337.10, 5,005.75 and 1,145.80 is: 1,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.10 : 5,005.75 = 1,145.80 : x
  2. Step 2: Convert to fraction form
    3,337.10/5,005.75 = 1,145.80/x
  3. Step 3: Cross multiply
    3,337.10x = 5,005.75 × 1,145.80
  4. Step 4: Simplify right side
    3,337.10x = 5,735,588.35
  5. Step 5: Solve for x
    x = 5,735,588.35/3,337.10
  6. Step 6: Final answer
    x = 1,718.73

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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.