Home / 2,475.92-3,416.80-1,356.82

Finding the Fourth Proportional to 2,475.92, 3,416.80 and 1,356.82

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Solution

The fourth proportional to 2,475.92, 3,416.80 and 1,356.82 is: 1,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.92 : 3,416.80 = 1,356.82 : x
  2. Step 2: Convert to fraction form
    2,475.92/3,416.80 = 1,356.82/x
  3. Step 3: Cross multiply
    2,475.92x = 3,416.80 × 1,356.82
  4. Step 4: Simplify right side
    2,475.92x = 4,635,982.58
  5. Step 5: Solve for x
    x = 4,635,982.58/2,475.92
  6. Step 6: Final answer
    x = 1,872.43

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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.