Home / 2,994.12-4,132.26-1,815.12

Finding the Fourth Proportional to 2,994.12, 4,132.26 and 1,815.12

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Solution

The fourth proportional to 2,994.12, 4,132.26 and 1,815.12 is: 2,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.12 : 4,132.26 = 1,815.12 : x
  2. Step 2: Convert to fraction form
    2,994.12/4,132.26 = 1,815.12/x
  3. Step 3: Cross multiply
    2,994.12x = 4,132.26 × 1,815.12
  4. Step 4: Simplify right side
    2,994.12x = 7,500,547.77
  5. Step 5: Solve for x
    x = 7,500,547.77/2,994.12
  6. Step 6: Final answer
    x = 2,505.09

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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.