Home / 3,124.10-4,686.70-1,276.22

Finding the Fourth Proportional to 3,124.10, 4,686.70 and 1,276.22

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Solution

The fourth proportional to 3,124.10, 4,686.70 and 1,276.22 is: 1,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.10 : 4,686.70 = 1,276.22 : x
  2. Step 2: Convert to fraction form
    3,124.10/4,686.70 = 1,276.22/x
  3. Step 3: Cross multiply
    3,124.10x = 4,686.70 × 1,276.22
  4. Step 4: Simplify right side
    3,124.10x = 5,981,260.27
  5. Step 5: Solve for x
    x = 5,981,260.27/3,124.10
  6. Step 6: Final answer
    x = 1,914.55

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1.5x scale

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.