Home / 3,617.10-5,423.76-1,667.64

Finding the Fourth Proportional to 3,617.10, 5,423.76 and 1,667.64

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Solution

The fourth proportional to 3,617.10, 5,423.76 and 1,667.64 is: 2,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.10 : 5,423.76 = 1,667.64 : x
  2. Step 2: Convert to fraction form
    3,617.10/5,423.76 = 1,667.64/x
  3. Step 3: Cross multiply
    3,617.10x = 5,423.76 × 1,667.64
  4. Step 4: Simplify right side
    3,617.10x = 9,044,879.13
  5. Step 5: Solve for x
    x = 9,044,879.13/3,617.10
  6. Step 6: Final answer
    x = 2,500.59

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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.