Home / 3,417.88-4,714.50-2,019.64

Finding the Fourth Proportional to 3,417.88, 4,714.50 and 2,019.64

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Solution

The fourth proportional to 3,417.88, 4,714.50 and 2,019.64 is: 2,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.88 : 4,714.50 = 2,019.64 : x
  2. Step 2: Convert to fraction form
    3,417.88/4,714.50 = 2,019.64/x
  3. Step 3: Cross multiply
    3,417.88x = 4,714.50 × 2,019.64
  4. Step 4: Simplify right side
    3,417.88x = 9,521,592.78
  5. Step 5: Solve for x
    x = 9,521,592.78/3,417.88
  6. Step 6: Final answer
    x = 2,785.82

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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.