Home / 2,895.20-3,994.40-2,056.08

Finding the Fourth Proportional to 2,895.20, 3,994.40 and 2,056.08

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Solution

The fourth proportional to 2,895.20, 3,994.40 and 2,056.08 is: 2,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.20 : 3,994.40 = 2,056.08 : x
  2. Step 2: Convert to fraction form
    2,895.20/3,994.40 = 2,056.08/x
  3. Step 3: Cross multiply
    2,895.20x = 3,994.40 × 2,056.08
  4. Step 4: Simplify right side
    2,895.20x = 8,212,805.95
  5. Step 5: Solve for x
    x = 8,212,805.95/2,895.20
  6. Step 6: Final answer
    x = 2,836.70

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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.