Home / 3,490.16-5,228.96-3,416.36

Finding the Fourth Proportional to 3,490.16, 5,228.96 and 3,416.36

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Solution

The fourth proportional to 3,490.16, 5,228.96 and 3,416.36 is: 5,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.16 : 5,228.96 = 3,416.36 : x
  2. Step 2: Convert to fraction form
    3,490.16/5,228.96 = 3,416.36/x
  3. Step 3: Cross multiply
    3,490.16x = 5,228.96 × 3,416.36
  4. Step 4: Simplify right side
    3,490.16x = 17,863,966.56
  5. Step 5: Solve for x
    x = 17,863,966.56/3,490.16
  6. Step 6: Final answer
    x = 5,118.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.