Home / 2,440.30-3,658.23-879.94

Finding the Fourth Proportional to 2,440.30, 3,658.23 and 879.94

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Solution

The fourth proportional to 2,440.30, 3,658.23 and 879.94 is: 1,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.30 : 3,658.23 = 879.94 : x
  2. Step 2: Convert to fraction form
    2,440.30/3,658.23 = 879.94/x
  3. Step 3: Cross multiply
    2,440.30x = 3,658.23 × 879.94
  4. Step 4: Simplify right side
    2,440.30x = 3,219,022.91
  5. Step 5: Solve for x
    x = 3,219,022.91/2,440.30
  6. Step 6: Final answer
    x = 1,319.11

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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.