Home / 4,127.78-5,695.80-2,359.50

Finding the Fourth Proportional to 4,127.78, 5,695.80 and 2,359.50

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Solution

The fourth proportional to 4,127.78, 5,695.80 and 2,359.50 is: 3,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.78 : 5,695.80 = 2,359.50 : x
  2. Step 2: Convert to fraction form
    4,127.78/5,695.80 = 2,359.50/x
  3. Step 3: Cross multiply
    4,127.78x = 5,695.80 × 2,359.50
  4. Step 4: Simplify right side
    4,127.78x = 13,439,240.10
  5. Step 5: Solve for x
    x = 13,439,240.10/4,127.78
  6. Step 6: Final answer
    x = 3,255.81

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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.