Home / 3,830.05-5,282.40-2,570.68

Finding the Fourth Proportional to 3,830.05, 5,282.40 and 2,570.68

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Solution

The fourth proportional to 3,830.05, 5,282.40 and 2,570.68 is: 3,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.05 : 5,282.40 = 2,570.68 : x
  2. Step 2: Convert to fraction form
    3,830.05/5,282.40 = 2,570.68/x
  3. Step 3: Cross multiply
    3,830.05x = 5,282.40 × 2,570.68
  4. Step 4: Simplify right side
    3,830.05x = 13,579,360.03
  5. Step 5: Solve for x
    x = 13,579,360.03/3,830.05
  6. Step 6: Final answer
    x = 3,545.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.