Home / 2,630.40-3,944.10-2,322.86

Finding the Fourth Proportional to 2,630.40, 3,944.10 and 2,322.86

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Solution

The fourth proportional to 2,630.40, 3,944.10 and 2,322.86 is: 3,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.40 : 3,944.10 = 2,322.86 : x
  2. Step 2: Convert to fraction form
    2,630.40/3,944.10 = 2,322.86/x
  3. Step 3: Cross multiply
    2,630.40x = 3,944.10 × 2,322.86
  4. Step 4: Simplify right side
    2,630.40x = 9,161,592.13
  5. Step 5: Solve for x
    x = 9,161,592.13/2,630.40
  6. Step 6: Final answer
    x = 3,482.97

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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.