Home / 4,128.55-5,697.79-2,359.81

Finding the Fourth Proportional to 4,128.55, 5,697.79 and 2,359.81

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Solution

The fourth proportional to 4,128.55, 5,697.79 and 2,359.81 is: 3,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.55 : 5,697.79 = 2,359.81 : x
  2. Step 2: Convert to fraction form
    4,128.55/5,697.79 = 2,359.81/x
  3. Step 3: Cross multiply
    4,128.55x = 5,697.79 × 2,359.81
  4. Step 4: Simplify right side
    4,128.55x = 13,445,681.68
  5. Step 5: Solve for x
    x = 13,445,681.68/4,128.55
  6. Step 6: Final answer
    x = 3,256.76

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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.