Home / 2,856.04-3,939.92-2,225.44

Finding the Fourth Proportional to 2,856.04, 3,939.92 and 2,225.44

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Solution

The fourth proportional to 2,856.04, 3,939.92 and 2,225.44 is: 3,070.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.04 : 3,939.92 = 2,225.44 : x
  2. Step 2: Convert to fraction form
    2,856.04/3,939.92 = 2,225.44/x
  3. Step 3: Cross multiply
    2,856.04x = 3,939.92 × 2,225.44
  4. Step 4: Simplify right side
    2,856.04x = 8,768,055.56
  5. Step 5: Solve for x
    x = 8,768,055.56/2,856.04
  6. Step 6: Final answer
    x = 3,070.00

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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.