Home / 2,106.94-3,160.40-1,010.70

Finding the Fourth Proportional to 2,106.94, 3,160.40 and 1,010.70

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Solution

The fourth proportional to 2,106.94, 3,160.40 and 1,010.70 is: 1,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.94 : 3,160.40 = 1,010.70 : x
  2. Step 2: Convert to fraction form
    2,106.94/3,160.40 = 1,010.70/x
  3. Step 3: Cross multiply
    2,106.94x = 3,160.40 × 1,010.70
  4. Step 4: Simplify right side
    2,106.94x = 3,194,216.28
  5. Step 5: Solve for x
    x = 3,194,216.28/2,106.94
  6. Step 6: Final answer
    x = 1,516.05

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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.