Home / 2,709.32-3,729.38-2,359.40

Finding the Fourth Proportional to 2,709.32, 3,729.38 and 2,359.40

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Solution

The fourth proportional to 2,709.32, 3,729.38 and 2,359.40 is: 3,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.32 : 3,729.38 = 2,359.40 : x
  2. Step 2: Convert to fraction form
    2,709.32/3,729.38 = 2,359.40/x
  3. Step 3: Cross multiply
    2,709.32x = 3,729.38 × 2,359.40
  4. Step 4: Simplify right side
    2,709.32x = 8,799,068.73
  5. Step 5: Solve for x
    x = 8,799,068.73/2,709.32
  6. Step 6: Final answer
    x = 3,247.71

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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.