Home / 2,518.70-3,476.13-1,929.02

Finding the Fourth Proportional to 2,518.70, 3,476.13 and 1,929.02

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Solution

The fourth proportional to 2,518.70, 3,476.13 and 1,929.02 is: 2,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.70 : 3,476.13 = 1,929.02 : x
  2. Step 2: Convert to fraction form
    2,518.70/3,476.13 = 1,929.02/x
  3. Step 3: Cross multiply
    2,518.70x = 3,476.13 × 1,929.02
  4. Step 4: Simplify right side
    2,518.70x = 6,705,524.29
  5. Step 5: Solve for x
    x = 6,705,524.29/2,518.70
  6. Step 6: Final answer
    x = 2,662.30

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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.