Home / 3,113.57-4,668.93-1,358.51

Finding the Fourth Proportional to 3,113.57, 4,668.93 and 1,358.51

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Solution

The fourth proportional to 3,113.57, 4,668.93 and 1,358.51 is: 2,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.57 : 4,668.93 = 1,358.51 : x
  2. Step 2: Convert to fraction form
    3,113.57/4,668.93 = 1,358.51/x
  3. Step 3: Cross multiply
    3,113.57x = 4,668.93 × 1,358.51
  4. Step 4: Simplify right side
    3,113.57x = 6,342,764.75
  5. Step 5: Solve for x
    x = 6,342,764.75/3,113.57
  6. Step 6: Final answer
    x = 2,037.14

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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.