Home / 3,400.11-5,070.24-3,130.83

Finding the Fourth Proportional to 3,400.11, 5,070.24 and 3,130.83

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Solution

The fourth proportional to 3,400.11, 5,070.24 and 3,130.83 is: 4,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.11 : 5,070.24 = 3,130.83 : x
  2. Step 2: Convert to fraction form
    3,400.11/5,070.24 = 3,130.83/x
  3. Step 3: Cross multiply
    3,400.11x = 5,070.24 × 3,130.83
  4. Step 4: Simplify right side
    3,400.11x = 15,874,059.50
  5. Step 5: Solve for x
    x = 15,874,059.50/3,400.11
  6. Step 6: Final answer
    x = 4,668.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.