Home / 3,488.57-5,231.55-1,407.44

Finding the Fourth Proportional to 3,488.57, 5,231.55 and 1,407.44

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Solution

The fourth proportional to 3,488.57, 5,231.55 and 1,407.44 is: 2,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.57 : 5,231.55 = 1,407.44 : x
  2. Step 2: Convert to fraction form
    3,488.57/5,231.55 = 1,407.44/x
  3. Step 3: Cross multiply
    3,488.57x = 5,231.55 × 1,407.44
  4. Step 4: Simplify right side
    3,488.57x = 7,363,105.81
  5. Step 5: Solve for x
    x = 7,363,105.81/3,488.57
  6. Step 6: Final answer
    x = 2,110.64

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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.