Home / 3,579.67-5,369.45-1,114.48

Finding the Fourth Proportional to 3,579.67, 5,369.45 and 1,114.48

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Solution

The fourth proportional to 3,579.67, 5,369.45 and 1,114.48 is: 1,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.67 : 5,369.45 = 1,114.48 : x
  2. Step 2: Convert to fraction form
    3,579.67/5,369.45 = 1,114.48/x
  3. Step 3: Cross multiply
    3,579.67x = 5,369.45 × 1,114.48
  4. Step 4: Simplify right side
    3,579.67x = 5,984,117.79
  5. Step 5: Solve for x
    x = 5,984,117.79/3,579.67
  6. Step 6: Final answer
    x = 1,671.70

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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.