Home / 2,455.04-3,387.49-1,708.73

Finding the Fourth Proportional to 2,455.04, 3,387.49 and 1,708.73

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Solution

The fourth proportional to 2,455.04, 3,387.49 and 1,708.73 is: 2,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.04 : 3,387.49 = 1,708.73 : x
  2. Step 2: Convert to fraction form
    2,455.04/3,387.49 = 1,708.73/x
  3. Step 3: Cross multiply
    2,455.04x = 3,387.49 × 1,708.73
  4. Step 4: Simplify right side
    2,455.04x = 5,788,297.28
  5. Step 5: Solve for x
    x = 5,788,297.28/2,455.04
  6. Step 6: Final answer
    x = 2,357.72

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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.