Home / 3,124.83-4,314.06-3,000.90

Finding the Fourth Proportional to 3,124.83, 4,314.06 and 3,000.90

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Solution

The fourth proportional to 3,124.83, 4,314.06 and 3,000.90 is: 4,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.83 : 4,314.06 = 3,000.90 : x
  2. Step 2: Convert to fraction form
    3,124.83/4,314.06 = 3,000.90/x
  3. Step 3: Cross multiply
    3,124.83x = 4,314.06 × 3,000.90
  4. Step 4: Simplify right side
    3,124.83x = 12,946,062.65
  5. Step 5: Solve for x
    x = 12,946,062.65/3,124.83
  6. Step 6: Final answer
    x = 4,142.97

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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.