Home / 2,439.15-3,658.73-2,237.55

Finding the Fourth Proportional to 2,439.15, 3,658.73 and 2,237.55

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Solution

The fourth proportional to 2,439.15, 3,658.73 and 2,237.55 is: 3,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.15 : 3,658.73 = 2,237.55 : x
  2. Step 2: Convert to fraction form
    2,439.15/3,658.73 = 2,237.55/x
  3. Step 3: Cross multiply
    2,439.15x = 3,658.73 × 2,237.55
  4. Step 4: Simplify right side
    2,439.15x = 8,186,580.12
  5. Step 5: Solve for x
    x = 8,186,580.12/2,439.15
  6. Step 6: Final answer
    x = 3,356.33

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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.