Home / 3,174.76-4,758.68-1,530.16

Finding the Fourth Proportional to 3,174.76, 4,758.68 and 1,530.16

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Solution

The fourth proportional to 3,174.76, 4,758.68 and 1,530.16 is: 2,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.76 : 4,758.68 = 1,530.16 : x
  2. Step 2: Convert to fraction form
    3,174.76/4,758.68 = 1,530.16/x
  3. Step 3: Cross multiply
    3,174.76x = 4,758.68 × 1,530.16
  4. Step 4: Simplify right side
    3,174.76x = 7,281,541.79
  5. Step 5: Solve for x
    x = 7,281,541.79/3,174.76
  6. Step 6: Final answer
    x = 2,293.57

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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.