Home / 2,473.05-3,416.31-1,920.63

Finding the Fourth Proportional to 2,473.05, 3,416.31 and 1,920.63

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Solution

The fourth proportional to 2,473.05, 3,416.31 and 1,920.63 is: 2,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.05 : 3,416.31 = 1,920.63 : x
  2. Step 2: Convert to fraction form
    2,473.05/3,416.31 = 1,920.63/x
  3. Step 3: Cross multiply
    2,473.05x = 3,416.31 × 1,920.63
  4. Step 4: Simplify right side
    2,473.05x = 6,561,467.48
  5. Step 5: Solve for x
    x = 6,561,467.48/2,473.05
  6. Step 6: Final answer
    x = 2,653.19

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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.