Home / 2,299.45-3,165.18-2,004.20

Finding the Fourth Proportional to 2,299.45, 3,165.18 and 2,004.20

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Solution

The fourth proportional to 2,299.45, 3,165.18 and 2,004.20 is: 2,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.45 : 3,165.18 = 2,004.20 : x
  2. Step 2: Convert to fraction form
    2,299.45/3,165.18 = 2,004.20/x
  3. Step 3: Cross multiply
    2,299.45x = 3,165.18 × 2,004.20
  4. Step 4: Simplify right side
    2,299.45x = 6,343,653.76
  5. Step 5: Solve for x
    x = 6,343,653.76/2,299.45
  6. Step 6: Final answer
    x = 2,758.77

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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.