Home / 4,158.65-5,739.89-2,742.59

Finding the Fourth Proportional to 4,158.65, 5,739.89 and 2,742.59

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Solution

The fourth proportional to 4,158.65, 5,739.89 and 2,742.59 is: 3,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.65 : 5,739.89 = 2,742.59 : x
  2. Step 2: Convert to fraction form
    4,158.65/5,739.89 = 2,742.59/x
  3. Step 3: Cross multiply
    4,158.65x = 5,739.89 × 2,742.59
  4. Step 4: Simplify right side
    4,158.65x = 15,742,157.42
  5. Step 5: Solve for x
    x = 15,742,157.42/4,158.65
  6. Step 6: Final answer
    x = 3,785.41

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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.