Home / 2,865.08-4,320.62-2,826.20

Finding the Fourth Proportional to 2,865.08, 4,320.62 and 2,826.20

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Solution

The fourth proportional to 2,865.08, 4,320.62 and 2,826.20 is: 4,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.08 : 4,320.62 = 2,826.20 : x
  2. Step 2: Convert to fraction form
    2,865.08/4,320.62 = 2,826.20/x
  3. Step 3: Cross multiply
    2,865.08x = 4,320.62 × 2,826.20
  4. Step 4: Simplify right side
    2,865.08x = 12,210,936.24
  5. Step 5: Solve for x
    x = 12,210,936.24/2,865.08
  6. Step 6: Final answer
    x = 4,261.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.