Home / 2,050.91-2,829.70-1,420.73

Finding the Fourth Proportional to 2,050.91, 2,829.70 and 1,420.73

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Solution

The fourth proportional to 2,050.91, 2,829.70 and 1,420.73 is: 1,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.91 : 2,829.70 = 1,420.73 : x
  2. Step 2: Convert to fraction form
    2,050.91/2,829.70 = 1,420.73/x
  3. Step 3: Cross multiply
    2,050.91x = 2,829.70 × 1,420.73
  4. Step 4: Simplify right side
    2,050.91x = 4,020,239.68
  5. Step 5: Solve for x
    x = 4,020,239.68/2,050.91
  6. Step 6: Final answer
    x = 1,960.22

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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.