Home / 3,479.12-4,801.15-1,885.74

Finding the Fourth Proportional to 3,479.12, 4,801.15 and 1,885.74

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Solution

The fourth proportional to 3,479.12, 4,801.15 and 1,885.74 is: 2,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.12 : 4,801.15 = 1,885.74 : x
  2. Step 2: Convert to fraction form
    3,479.12/4,801.15 = 1,885.74/x
  3. Step 3: Cross multiply
    3,479.12x = 4,801.15 × 1,885.74
  4. Step 4: Simplify right side
    3,479.12x = 9,053,694.35
  5. Step 5: Solve for x
    x = 9,053,694.35/3,479.12
  6. Step 6: Final answer
    x = 2,602.29

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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.