Home / 3,416.19-4,714.70-2,090.78

Finding the Fourth Proportional to 3,416.19, 4,714.70 and 2,090.78

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Solution

The fourth proportional to 3,416.19, 4,714.70 and 2,090.78 is: 2,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.19 : 4,714.70 = 2,090.78 : x
  2. Step 2: Convert to fraction form
    3,416.19/4,714.70 = 2,090.78/x
  3. Step 3: Cross multiply
    3,416.19x = 4,714.70 × 2,090.78
  4. Step 4: Simplify right side
    3,416.19x = 9,857,366.44
  5. Step 5: Solve for x
    x = 9,857,366.44/3,416.19
  6. Step 6: Final answer
    x = 2,885.49

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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.