Home / 4,140.86-5,715.52-2,440.86

Finding the Fourth Proportional to 4,140.86, 5,715.52 and 2,440.86

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Solution

The fourth proportional to 4,140.86, 5,715.52 and 2,440.86 is: 3,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.86 : 5,715.52 = 2,440.86 : x
  2. Step 2: Convert to fraction form
    4,140.86/5,715.52 = 2,440.86/x
  3. Step 3: Cross multiply
    4,140.86x = 5,715.52 × 2,440.86
  4. Step 4: Simplify right side
    4,140.86x = 13,950,784.15
  5. Step 5: Solve for x
    x = 13,950,784.15/4,140.86
  6. Step 6: Final answer
    x = 3,369.05

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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.