Home / 3,834.95-5,297.40-3,387.51

Finding the Fourth Proportional to 3,834.95, 5,297.40 and 3,387.51

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Solution

The fourth proportional to 3,834.95, 5,297.40 and 3,387.51 is: 4,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.95 : 5,297.40 = 3,387.51 : x
  2. Step 2: Convert to fraction form
    3,834.95/5,297.40 = 3,387.51/x
  3. Step 3: Cross multiply
    3,834.95x = 5,297.40 × 3,387.51
  4. Step 4: Simplify right side
    3,834.95x = 17,944,995.47
  5. Step 5: Solve for x
    x = 17,944,995.47/3,834.95
  6. Step 6: Final answer
    x = 4,679.34

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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.