Home / 2,575.12-3,856.28-2,356.64

Finding the Fourth Proportional to 2,575.12, 3,856.28 and 2,356.64

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Solution

The fourth proportional to 2,575.12, 3,856.28 and 2,356.64 is: 3,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.12 : 3,856.28 = 2,356.64 : x
  2. Step 2: Convert to fraction form
    2,575.12/3,856.28 = 2,356.64/x
  3. Step 3: Cross multiply
    2,575.12x = 3,856.28 × 2,356.64
  4. Step 4: Simplify right side
    2,575.12x = 9,087,863.70
  5. Step 5: Solve for x
    x = 9,087,863.70/2,575.12
  6. Step 6: Final answer
    x = 3,529.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.